In October of 1997, the Standards Commission of California submitted to the State Board of Education a set of Mathematics Content Standards [1] which took the Commission more than a year to complete. But within ten weeks, the State Board released a revised version of its own [2], first the portion on grades K--7 and then that on 8-12. The reaction to the revision was swift and violent:
"[The Board's Standards] is 'dumbed down' and is unlikely to elicit higher order thinking from the state's 5.5 million public school students."
"I will fight to see that California Math Standards are not implemented in the classrooms."
"The critics claimed the Board's `back-to-basics' approach marked a return to 1950s-style methods. ... Opponents characterized the [Board's] Standards as a 'return to the Dark Ages'"
The interest engendered by these two sets of Standards has remained unabated in the intervening months. For example, in the February issue of its News Bulletin, NCTM has weighed in with unflattering comments about the Board's revised version [3]. Because education is a very political issue, there is no need to bemoan the fact that opinions are often delivered without relation to facts. However, a set of mathematics standards for schools also deserves a critical inspection from the mathematical and educational perspectives, one that is based on facts and not on hype. With this in mind, this article takes a close look at both sets of standards from a scholar's perspective. Section 2 details some of the mathematical flaws in the Commission's Standards, and Section 3 contrasts these flaws with the clarity and the overall mathematical soundness of the Board's revision. In Section 4 there is a discussion of possible additions to the California Mathematics Framework Draft [4] that would enhance and provide balance for the Board's Standards.
The Commission's Standards is a thoughtful document. In both the Interim Report from the Commission Chair to the State Board and the Introduction to Mathematics Standards, one sees clearly the care that went into the enunciation of the goals, the work that had been done to achieve them, and the work that is still needed in the days ahead for their implementation. Even if one disagrees with some of the details, one can applaud the overall soundness of purpose and the conscientious effort that went into the writing. Yet there are also grievous defects in the document that made its revision inevitable. This is a classic example of how good intentions are shipwrecked by questionable execution. Parts of the document are extremely controversial, such as the omission of the division algorithm in the lower grades1, the omission of the Fundamental Theorem of Algebra in the upper grades, or the mixing of pedagogical statements with statements on content. There is also a pervasive ambiguity of language that makes the document less than readable in many places, e.g., were the authors aware that the word "classify" has a precise meaning in a mathematical context? Or, what is a 7th grader to make of "identify, describe, represent, extend and create linear and nonlinear number patterns? " However, this article chooses to focus attention on the numerous mathematical defects because they are more susceptible to a dispassionate discussion.
But first, are mathematical defects really that important in a set
of mathematics standards? Such a question,
were it posed thirty years ago, would have been met with howls of derision.
Times have changed, however, and there are those who claim
that it is not what is taught, but how it is taught that matters
(cf. e.g., [10], especially pp. 203-8). Risking some sneers from my
colleagues, let me therefore affirm that indeed I believe getting the
mathematics right is very important in any mathematics standards, in the same
way that correct pronunciation is critical to being
a good teacher of a foreign language. Are there people who feel
comfortable about sending their children to a French class taught by a
teacher who mispronounces a word every other sentence?
While the general public cannot conceive of a set of mathematics standards
not being mathematically correct, the fact remains that
mathematically correct public documents
on mathematics education are more rare than people realize.
For example, the mathematics
standards of most of the states from around the
nation exhibit mathematical ignorance (cf. [11]).
Even the NCTM Standards [5] is no exception to this rule: there is an outright
mathematical error at the top of p. 136, and many discussions show a lack of
understanding of the underlying mathematics (e.g., p. 149 and bottom of p. 165;
cf. also [12]). This is why
when this article comes around to affirming the mathematical
correctness of the Board's Standards later on, such an
affirmation must be taken as strong endorsement.
The mathematical flaws in the Commission's Standards [1] are of two kinds. First there are the local ones, i.e., those which contain obvious errors which can be corrected without causing damage elsewhere. A colleague has estimated that there are over a hundred of these, and that is a conservative estimate. Since it is impossible to be exhaustive, we will only exhibit a few that are easily understood even when taken out of context. Starting with the Glossary at the end, we find, for example:
Asymptote: a straight line to which a curve gets closer and closer but never meets, as the distance from the origin increases
Axiomatic system: system that includes self-evident truths: truths without proof and from which further statements, or theorem, can be derived
Recursive function: in discrete mathematics, a series of numbers in which values are derived by applying a formula to the previous value
Next, we turn to the Standards proper and look at some representative local flaws. It may be noted that the following examples do not include any that might have been the result of carelessness, such as that about the asymptotes of a polynomial (Clarification and Examples:3 for 1.1 and 1.2 in Algebra and Functions of grades 11/12).
It is not common to equate "predict outcomes" with mathematical reasoning. One would gladly overlook this as an inadvertent error but for the fact that the same sentence appears nine times all through grades K through 8
Grade 5 Measurement and Geometry
1. Students understand the relationship between the concepts of
volume and surface area and use this understanding to solve problems.
Next we examine a different kind of mathematical flaw: the global ones. Their corrections would involve changes in several related parts. The first such example occurs in grade 7:
A pertinent related issue in connection with the above standard in grade 7 is how much coordinate geometry has been developed up to that point so that students may appreciate such a discussion. The answer appears to be "not enough". The first introduction of coordinates in the plane takes place in the 4th grade under, of all places, Algebra and Functions:
Consider now a second example, which is the way the Commission's Standards approaches the Pythagorean theorems, a fundamental result in school mathematics. The first mention of this theorem is in grade 7:
It was mentioned earlier that the Commission's Standards omits the long division algorithm in the early grades except for the case of a single digit divisor (grade 4). With that in mind, let us look at what happens in grade 7.
Incidentally, the preceding two examples from the Commission's Standards show an all-too-common sloppiness of language: "equivalent relationship among ...", "relationship between terminating and repeating decimals ...", and "attributes of the equation and graph" are too vague for a set of mathematics standards.
As a final example, let us look at how the Commission's Standards handles the concept of a function. Although the term "functional relationship" is used already in grades 4 and 5 ("the functional relationships within linear patterns" in grade 4, and "solve problems involving functional relationships" in grade 5), a knowledgeable reader could conceivably deal with such missteps by ignoring them. (The Board's Standards in fact simply deletes all such references.) However, in grade 6 of Commission's Standards, one finds:
I hope the foregoing gives some idea of the magnitude of the problems
besetting the Commission's Standards. At the same
time, it should be pointed out that these problems are probably not
detectable by someone who is not mathematically knowledgeable.
The criticisms
of the Board's Standards coming from educators and politicians are therefore
understandable to a certain degree.
By the same token, this gap in mathematical knowledge
then imposes on those of us in
mathematics the obligation to serve as intermediaries between
the Standards and the public. Regardless of our philosophical orientations
in matters pertaining to education, we should have
spoken as a single voice in
detailing the glaring mathematical failings of the Commission's Standards
in order to furnish a valid platform for the ensuing debate.
We should have been the voice of reason to
inform and to mediate. The mathematical community
in California may well ask itself at this point if it has indeed
met its obligation, and met it well.4
Now a brief look at the Board's Standards [2]. The overriding fact is that no document of this nature can be expected to be without blemish, and it would be foolhardy to look for perfection or to argue that this set of Standards is close to perfection. What is important is to ask whether it has fatal flaws, and whether in the main it points in the right direction of a sound mathematics education. The answers to both are easily no and yes, respectively, and their justifications will emerge in the succeeding discussion.
An important point regarding the Board's Standards is that, in reading this document, one does not wince in embarrassment over mathematical errors. Let us first start with the portion on grades K--7. This portion is very close to the Commission's Standards, and the only difference between the two is that the Board's version eliminates the ambiguous and superfluous, corrects the erroneous, and deletes the Clarifications and Examples in the right column of the original. I will have more to say about the latter presently, but let us sample some of the differences. It was mentioned above that in grade 4, the Commission's Standards incorrectly asks for "the relationship between the concepts of perimeter and area". By comparison, the Board's version now reads:
Another example is the Board's correction of the error committed in the Commission's version regarding the introduction of coordinates in the plane in grade 4. Now it is accorded a standard all its own and is placed correctly in the strand on Measurement and Geometry.
As a final example, let us look at how the Board's version discusses in one instance the issue of mathematical reasoning:
It is improvements of this nature that make the Board's Standards [2] a superior document over the Commission's Standards [1] in grades K--7. Yet, intense criticisms were already pouring in as soon as the K--7 portion of the Board's Standards appeared. Looking at the facts, how does one presume to claim that this set of standards is "basics only", or that it "almost cuts out almost everything that is not related to computation and the memorization of formulas" ? Obviously not on account of the standards themselves, but one explanation is that some people reacted strongly to the deletion of the Clarifications and Examples that are in the Commission's Standards.
It is time to point out that whereas in other states the Mathematics Standards must stand alone as the sole guide-post for mathematics education, we in California have two documents: the Standards and the Framework [4]. In this arrangement, the curricular comments on the Standards, including examples, properly belong to the Framework, which is yet to be approved by the Board. It serves no purpose to criticize the absence of examples in the Board's Standards when they have merely been moved to a companion document. If one's goal is to improve the Board's Standards rather than stir up controversy, the natural thing to do would be to make concrete suggestions for changes in the existing Framework Draft. This article will make several such suggestions.
Let us complete our brief survey of the Board's Standards by looking at grades 8--12. There is a basic change of format here, in that the grade-by-grade account in the Commission's version is replaced by a listing of topics in the traditional strands across the grades: Algebra I, Geometry, Algebra II, etc. The justification is that since at present an overwhelming majority of the schools teach mathematics in the traditional manner while others do so in an "integrated"7 manner, listing only the content of each subject would provide maximum flexibility. Instead of prescribing one particular approach to the curriculum, it throws the door open to many approaches. Such a change is a defensible one, and is in any case not one to make a lot of fuss about. With this understood, one can immediately appreciate the clear and uncompromising demand that the Board's Standards places on students' all-around mathematical competence---not the formula-laden, rote-learning variety, but the genuine one. Students must be technically proficient, and they must also know what they are doing. For example, consider the discussion of the quadratic formula in Algebra I (which contains twenty-five standards):
"The reality is one set of standards had basics and problem-solving and conceptual understanding but what the Board adopted was the basics only."
"When the State Board took a knife to the Commission's Standards, it cut out almost everything that was not related to computation and the memorization of formulas. What was gained? Nothing.... What the State Board deleted or weakened were Standards intended to make sure students understand the key concepts underlying mathematics."
"While emphasizing important basics and memorization, [the Board's set of Standards] axes development of understanding, applications and critical thinking skills students will need to live in the 21th century.
In one stroke, the Board discards the last three years' hard work and reasoned consensus among math professors and teachers, college professors who use math in their teaching (science and business) and public representatives."
"The wistful or nostalgic `back-to-basics' approach that characterizes the Board Standards overlooks the fact that the approach has chronically and dismally failed. It has excluded youngsters from engaging in genuine mathematical thinking and therefore true mathematical learning."
"The Commission's Standards are the best set of mathematics standards in the U.S. ... The Board's Standards are most disappointing, [and are nothing more than] a `back-to-basics' document that emphasizes memorization and computations."
One may ask, in light of all the flaws in the Commission's
Standards and the obvious emphasis on mathematical understanding in the
Board's version, how people could bring themselves to make
indefensible statements about the high quality of the former and the
unworthiness of the latter. There are probably political and
psychological reasons that are beyond my power to probe, but as an
educator, I would like to offer a speculation on how this has happened.
I believe there is a fundamental misconception about mathematics education
that has sprung up more or less in the past decade, which is that there are
conceptual understanding and problem solving ability
on the one hand and basic skills on
the other. Furthermore, this misconception postulates that it is possible
to acquire the former without the latter. It is likely that the explicit
requirement of fluency in basic skills in the Board's Standards was seen by
some as an artificial obstacle intentionally set up by
elitists to thwart students' "mathematical empowerment".
Hence the resulting furor. One can acquire some appreciation of
mathematics without mastering technical skills, in much the same way that
one can instantly recognize an opera in recordings of "operas without the
human voice"8 and even enjoy it to
some extent. But if we wish to educate students properly about the art of
the opera, using such recordings "without the human voice" is not
recommended. In the same way, a correctly written set of mathematical standards
has to be more like the Board's version rather than the Commission's. In
mathematics, understanding goes through technique,
and technique is built on
understanding. That is the way it is.
It is time to take a critical look at the Board's Standards [2] and make explicit some of the concerns adumbrated earlier. There is no pretension to being comprehensive in this critique, however. Almost all the recommendations below are concerned with what to add to the Framework Draft [4] in order to round off the Board's Standards. Since this Draft is still in a state of flux, it is quite possible that these recommendations have already been anticipated by those in charge of [4]. If so, then nobody would be happier than I to have been rendered irrelevant in this undertaking.
First, a minor concern. By the end of the 5th grade, the Board's Standards mandates that "students increase their facility with the four basic arithmetic operations applied to positive and negative numbers, fractions and decimals." In principle there should be no problem with this goal. In practice, students in other countries usually achieve this level of competence in the 7th grade. For this reason, we may wish to watch carefully how this stipulation would play out in the classroom.
It is gratifying to know that examples which would clarify the terse statements of the Board's Standards will be incorporated into the final version of the Framework [4], but let me explicitly lobby for more clarifications along this line. There is no doubt that in order to help educators across the state understand the Standards, especially in grades 8--12, more guidance in the Framework is needed both in the details and in the overall planning. Regarding the former, a statement such as standard 4 in Geometry (Grades 8--12), "Students prove basic theorems involving congruence and similarity", means many things to many people. Should the AAA theorem for similar triangles be proved, for example? Depending on how this statement is approached, it can be a difficult theorem. Or take standard 2 of Algebra II: "Students solve systems of linear equations and inequalities (in two or three variables) simultaneously, by substitution, graphically, or with matrices". This may or may not be calling for some discussion of linear programming, and since matrices appear here for the first time, the question naturally arises as to how best to handle it. We must remember that these Standards are pioneering something new in California, and pioneers have to be transcendentally clear at each step or they run the risk of having no followers on their trail. I wish to drive home this point by comparing with what I consider a very admirable set of mathematics standards, the 1990 Mathematics Standards of Japan [6]. There the statement about similarity (in grade 8!) is equally terse:
On the matter of overall planning, the Standards intentionally eschew any prescription on how to teach students in grades 8--12, whether in the traditional way or the "integrated" way.10 The intention for greater flexibility is admirable, except that in the absence of a tradition, the added flexibility may turn out to be a curse. For example, the Standards specify that each discipline (Algebra I, Geometry, etc.) need not "be initiated and completed in a single grade". It would appear that this specification makes it possible to describe the desirable content of each discipline without undue regard to the time limitation of fitting everything into exactly one year. Perhaps for this reason, there are more topics in Algebra II than can be reasonably completed in a single year. How to teach this material in more than two semesters then becomes a challenge which few schools could meet. Also Algebra I asks that "Students [be] able to find the equation of a line perpendicular to a given line that passes through a given point." No matter how this is done, it would involve theorems about similar triangles. Does it then imply---contrary to the traditional curriculum---that Geometry may be taught simultaneously with Algebra I? The Framework would have to give more explicit instructions on how to bring this off. Finally, it appears that the forthcoming 10th or 11th grade statewide mathematics test would include some statistics. Is the Framework going to suggest ways of teaching statistics in the early part of secondary school if the traditional curriculum is followed?
Considerations of this nature bring out the fact that the traditional method of offering year long sequences on algebra and geometry is too rigid to be educationally optimal. While none of the current "integrated" models in this country seems to be entirely successful, the argument cannot be ignored that we should pursue the kind of integrated mathematics education that has been in use in Japan or Hong Kong for a long time. The Framework would be fulfilling its basic function if it could nudge California in this direction in a forceful manner.
An idea that has undoubtedly occurred to many people is how much the standards of grades 8--12 in the Board's Standards read like a "Manual for Pure Mathematics". One almost gets the feeling that this document could not bring itself to face the relationship between school mathematics and practical problems. It is now incumbent on the Framework to restore the balance between the pure and applied sides of school mathematics. While it is true that the reform exaggerates the role of "real-world" problems in mathematics, ignoring them altogether is for sure not a cure either. We would do well to remember that the overwhelming majority of school students will be users of mathematics, and that as future citizens they need to be shown the power of mathematics in the context of daily affairs. But all through grades 8--12, I seem to see only three explicit references to applications:
Trigonometry
19. Students are adept at using trigonometry in a variety of applications
and word problems.
I hope that the Framework will be equally emphatic on this point in order to make clear that the relation of mathematics to daily affairs is also central to the Mathematics Standards of California.
A final comment is on the contentious subject of technology. From K to 12 in the Board's Standards, I could detect only the following two references to technology:
Grade 7 Statistics, Data Analysis and Probability
1. Students collect, organize and represent data sets
... both manually and by using an electronic spreadsheet program.
Allow me to cite for the last time the Japanese Standards [6]. Part of The Construction of Teaching Plans and Remarks Concerning Content also deals with the technological issue after each of grades K, 1--6, 7--9, and 10--12. Here is what is said after grades 1--6 and 10--12, respectively.
The Board has already wisely decided that no
state test in grades K--6 would use
calculators. This general policy on technology, sensible as it is, needs
to be supplemented by a more comprehensive one which gives
guidance not only on when not
to use it but also on when to use it. For example, encouraging
teachers in K--6 to use problems with more natural---and therefore
more unwieldy---numerical data by enlisting the help of calculators
is a beginning.
In the presence of the no-calculator-in-tests rule, students would get a clear
perspective on what they need to know regardless of technology, and on how
they can use technology to their benefit when the need arises. Encouraging
students in calculus to use calculator to estimate the limits of sequences
while also holding them responsible for proofs
of convergence is another example. Doubtlessly,
thoughtful educators will be able to formulate similar
specific recommendations in other situations.
As the preceding passages from [6] indicate, we must make active use of
calculators and computers to improve the effectiveness of teaching and
learning, and what better place to launch this idea than in the Framework?
It is very likely that another person who is willing to read the Board's Standards carefully would come to slightly different conclusions about its strengths and weaknesses. It is even more likely that, in that case, the differences can be calmly discussed and the resulting discussions would benefit the next generation in the long run. One can either avail oneself of this opportunity to improve education in California, or one can turn one's back to the welfare of the young and act irresponsibly.
This then brings me to the news release about U.S. 12th-grade performance on TIMSS on February 24. Gail Burrill, the President of NCTM, made the following comment on the TIMSS result: "What's important is that we are working together toward a common goal of excellence in mathematics. The recent math wars have done nothing to improve mathematics education." These are sobering statements. On the one hand, Ms. Burrill's optimistic view that we are already working together toward a common goal in mathematics education could not have been based on the reckless public condemnations of the Board's Standards that have just transpired. NCTM's editorial [3] has not exactly contributed to producing harmony either. On the other hand, the math war in California did manage to reverse the disastrous trend initiated by the 1992 Mathematics Framework for California Public Schools. While much work remains to be done to achieve a balanced mathematics education in California, this achievement of the math war alone would give the lie to the assertion that math wars have done nothing to improve mathematics education. Nevertheless, educational reconstruction should be our common goal at this juncture, and the battle over the Standards is in this light nothing but a distraction. In his address before the Annual Meeting of AMS-MAA on January 8, 1998, Secretary Richard W. Riley had sounded the same theme of reconciliation: "This leads me back to the need to bring an end to the shortsighted, politicized, and harmful bickering over the teaching and learning of mathematics. I will tell you that if we continue down this road of infighting, we will only negate the gains we have already made -- and the real losers will be the students of America." In all our education activities we should think of our children first. No, we must. If there is any lesson to be learned from the battle of the Standards, it is that it serves very well as an object lesson on how not to behave in the future.
Acknowledgment: I could not have written this article without the
support of Henry Alder, Dick Askey, Wayne Bishop, and especially David
Klein. Subsequent corrections by Roger Howe also contributed
significantly towards an improved
presentation. I would like to express my heartfelt gratitude to all of them.
Department of Mathematics #3840,
University of California,
Berkeley, CA 94720-3840
wu@math.berkeley.edu
April 11, 1998
An expanded version of a colloquium lecture at the
California State University at Sacramento, February 12, 1998
Footnotes
1According
to Commissioner Williamson Evers, "the omission of long division with
two or more digit divisors was a conscious decision" by the
Commission. See [14].
2Dictionaries usually define "axiom" as "self-evident
truths", but since dictionaries aim merely to inform the laymen, such
lapses are marginally excusable. However, in a set of mathematics standards
which must address the
professionals---mathematics teachers and mathematics educators,---there
is no place for this kind of error.
3The Commission's Standards is published in a two
column format which displays the mathematics
standards on the left and the "Clarifications and Examples'
on the right.
4On February 2, an open letter
to CSU Chancellor Reed signed by over 100 mathematicians was released to the
public; it expresses sentiments in support of the Board's Standards. See
[14].
5There is an unfortunate linguistic
slip here: "draw ten points" is undoubtedly what is meant.
6As of February, 1998.
7The
meaning of this word has to be carefully qualified because there are
several "integrated" approaches to mathematics in secondary schools.
8A popular undertaking by conductors such as Carmen
Dragon and Andre Kostelanetz in the 50's and 60's.
9Their original publication date is
1984.
10See footnote 7.