California Go Math Grade 3 Answer Key

| Chapter | Topic | Key Skills | | :--- | :--- | :--- | | 1 | Addition and Subtraction within 1,000 | Rounding to nearest 10/100, mental math, regrouping | | 2 | Represent and Interpret Data | Picture graphs, bar graphs, line plots | | 3 | Understand Multiplication | Equal groups, arrays, commutative property | | 4 | Multiplication Facts and Strategies | Multiply by 2, 3, 4, 5, 6, 7, 8, 9, 10 | | 5 | Understand Division | Relate division to subtraction and multiplication | | 6 | Division Facts and Strategies | Divide by 1-10, fact families | | 7 | Fractions | Unit fractions, equivalent fractions, comparing fractions | | 8 | Time, Length, Liquid Volume, Mass | Elapsed time, grams/kg, liters, ruler measurement | | 9 | Compare Fractions | Benchmark fractions (1/2), same numerator/denominator | | 10 | Perimeter and Area | Counting square units, multiplying side lengths | | 11 | Two-Dimensional Shapes | Quadrilaterals, angles, parallel lines, symmetry |

When an answer is wrong, don't just hand the child the correct answer. Use the answer key to work backward. Ask: california go math grade 3 answer key