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Common Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math Lessons, Math Worksheets and Games for Grade 2
Common Core Math Lessons, Math Worksheets and Games for all grades
Examples and solutions to help Grade 2 students learn how to use manipulatives to represent additions with two compositions.
Common Core Standards: 2.NBT.6, 2.NBT.7, 2.NBT.8, 2.NBT.9
Concept Development
Problem 1: 40 + 70
Problem 2: 49 + 73
Problem 3: 136 + 64
Application Problem
Hailey and Gio solve 56 + 85. Gio says the answer is 131. Hailey says
the answer is 141. Explain whose answer is correct using numbers,
pictures, or words.
Lesson 18 Homework
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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