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Common Core State Standards for Mathematics: Shifts and Implications for Mathematics Instruction Beth Cocuzza Student Achievement Partners

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The Three Shifts in Mathematics Focus strongly where the standards focus Coherence: Think across grades and link to major topics within grades Rigor: Require conceptual understanding, fluency, and application

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Shift One: Focus strongly where the Standards focus Significantly narrow the scope of content and deepen how time and energy is spent in the math classroom Focus deeply only on what is emphasized in the standards, so that students gain strong foundations

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Focus in International Comparisons TIMSS and other international comparisons suggest that the U.S. curriculum is ‘a mile wide and an inch deep.’ “Further evidence of the broad topic coverage characterizing U.S. mathematics curriculum is indicated by the low percentage of TIMSS mathematics topics not included in the U.S. curriculum through grades 4 and 8 compared with the percentage of TIMSS topics that other countries do not include…. On average, the U.S. curriculum omits only 17 percent of the TIMSS grade 4 topics compared with an average omission rate of 40 percent for the 11 comparison countries. The United States covers all but 2 percent of the TIMSS topics through grade 8 compared with a 25 percent noncoverage rate in the other countries. High-scoring Hong Kong’s curriculum omits 48 percent of the TIMSS items through grade 4, and 18 percent through grade 8. Less topic coverage can be associated with higher scores on those topics covered because students have more time to master the content that is taught.” – Ginsburg et al., 2005

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Mathematics topics intended at each grade by at least two-thirds of A+ countries Mathematics topics intended at each grade by at least two- thirds of 21 U.S. states The shape of math in A+ countries 1 Schmidt, Houang, & Cogan, “A Coherent Curriculum: The Case of Mathematics.” (2002).

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Higher Demands for Similar Content…

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But Much Sharper Focus

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K 12 Number and Operations Measurement and Geometry Algebra and Functions Statistics and Probability Traditional U.S. Approach

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Focusing attention within Number and Operations Operations and Algebraic Thinking Expressions and Equations Algebra Number and Operations— Base Ten The Number System Number and Operations— Fractions K12345678High School

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Shift Two: Coherence Think across grades, and link to major topics within grades Carefully connect the learning within and across grades so that students can build new understanding onto foundations built in previous years. Begin to count on solid conceptual understanding of core content and build on it. Each standard is not a new event, but an extension of previous learning.

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Coherence example: Progression across grades “The coherence and sequential nature of mathematics dictate the foundational skills that are necessary for the learning of algebra. The most important foundational skill not presently developed appears to be proficiency with fractions (including decimals, percents, and negative fractions). The teaching of fractions must be acknowledged as critically important and improved before an increase in student achievement in algebra can be expected.” Final Report of the National Mathematics Advisory Panel (2008, p. 18)

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Informing Grades 1-6 Mathematics Standards Development: What Can Be Learned from High-Performing Hong Kong, Singapore, and Korea? American Institutes for Research (2009, p. 13) 4.NF.4. Apply and extend previous understandings of multiplication to multiply a fraction by a whole number. 5.NF.4. Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction. 5.NF.7. Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions. 6.NS. Apply and extend previous understandings of multiplication and division to divide fractions by fractions. 6.NS.1. Interpret and compute quotients of fractions, and solve word problems involving division of fractions by fractions, e.g., by using visual fraction models and equations to represent the problem. Grade 4 Grade 5 Grade 6 CCSS

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Coherence example: Grade 3 The standards make explicit connections at a single grade Properties of Operations Area Multiplication and Division 3.OA.5 3.MD.7c 3.MD.7a

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Shift Three: Rigor Equal intensity in conceptual understanding, procedural skill/fluency, and application The CCSSM require a balance of: – Solid conceptual understanding – Procedural skill and fluency – Application of skills in problem solving situations This requires equal intensity in time, activities, and resources in pursuit of all three

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(a) Solid Conceptual Understanding Teach more than “how to get the answer” and instead support students’ ability to access concepts from a number of perspectives Students are able to see math as more than a set of mnemonics or discrete procedures Conceptual understanding supports the other aspects of rigor (fluency and application)

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(b) Fluency The standards require speed and accuracy in calculation. Teachers structure class time and/or homework time for students to practice core functions such as single-digit multiplication so that they are more able to understand and manipulate more complex concepts

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Required Fluencies in K-6 GradeStandardRequired Fluency K K.OA.5 Add/subtract within 5 1 1.OA.6 Add/subtract within 10 2 2.OA.2 2.NBT.5 Add/subtract within 20 (know single-digit sums from memory) Add/subtract within 100 3 3.OA.7 3.NBT.2 Multiply/divide within 100 (know single-digit products from memory) Add/subtract within 1000 4 4.NBT.4 Add/subtract within 1,000,000 5 5.NBT.5 Multi-digit multiplication 66.NS.2,3 Multi-digit division Multi-digit decimal operations

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Fluency in high school

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(c) Application Students can use appropriate concepts and procedures for application even when not prompted to do so Provide opportunities at all grade levels for students to apply math concepts in “real world” situations, recognizing this means different things in K-5, 6-8, and HS Teachers in content areas outside of math, particularly science, ensure that students are using grade-level-appropriate math to make meaning of and access science content

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It starts with Focus The current U.S. curriculum is ‘a mile wide and an inch deep.’ Focus is necessary in order to achieve the rigor set forth in the standards Remember Hong Kong example: more in- depth mastery of a smaller set of things pays off

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Shorthand Emphases Linear algebra and linear functions Ratios and proportional relationships; arithmetic of rational numbers Ratios and proportional relationships; early expressions and equations Multiplication and division of whole numbers and fractions – concepts, skills, and problem solving Addition and subtraction – concepts, skills, and problem solving K-2 3-5 6 7 8

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FAQ #1 “I’m already pressed for time! How can I address conceptual understanding, procedural skill/fluency, and application?”

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FAQ #2 “You said the shifts were Focus, Coherence, and Rigor. But isn’t what’s important about these standards the Standards for Mathematical Practice?”

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FAQ #3 “Given the standards and tests I’m working with now, won’t focusing hurt my students’ scores?”

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The Coming CCSS Assessments Will Focus Strongly on the Major Work of Each Grade

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Preparing for CCSS assessment—and doing better on today’s assessment Remember TIMSS trend—omitting topics on the test was correlated to higher achievement. What focus looks like this spring: A tale of two students who score equally – One student gets half the points because every question is a coin flip. – The other student gets half the points because s/he answers 80% of the major work correctly and 20% of the other work correctly. – Both students score the same…but one of them is far better prepared for the next grade. (The ballpark estimate here is that roughly half the test corresponds to the major work of the grade.)

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