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Zeroing in on Number and Operations, Grades 3-4
Key Ideas and Common Misconceptions
About the Series:
When you talk with students about their number sense and computational skills, you're bound to uncover some surprising gaps in their understanding. Knowing how to identify and bridge those gaps is essential for helping students at all levels advance as mathematical thinkers.
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About the Series:
When you talk with students about their number sense and computational skills, you're bound to uncover some surprising gaps in their understanding. Knowing how to identify and bridge those gaps is essential for helping students at all levels advance as mathematical thinkers.
The Zeroing in on Number and Operations series, which aligns with the Common Core State Standards and the NCTM Standards and Focal Points, features easy-to-use tools for teaching k...read more
About the Author(s)
Table of Contents
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Introduction
I. WHOLE NUMBERS, ADDITION, AND SUBTRACTION Patterns in the Count
Making Sense with Numbers
Connecting Representations of Numbers
In Order
Addition and Subtraction Fact Practice
Open Number Line
Mental Computation
Adding Numbers in the Thousands
Column Addition
Subtracting Numbers in the Thousands
II. MULTIPLICATION AND DIVISION Meaning of Multiplication
Properties of Multiplication
Helping Facts
Multiples of 10, 100, and 1,000
Partial Products
Two-Digit Multipliers
Estimating Sums, Differences, and Products
Meaning of Division
Division Algorithms
Problem Solving with All Operations
Problem Posing
III. FRACTIONS AND DECIMALS
Finding Parts and Making Wholes
Renaming Fractions
Parts of a Group
Number Lines and Benchmark Fractions
Decimals and Their Connections to Fractions
Ordering Decimals
Appendix
Answer Key