Videos and solutions to help Grade 2 students learn how to use and explain the totals below written method using words, math drawings, and numbers.

Common Core Standards: 2.OA.1, 2.NBT.7, 2.NBT.9

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Common
Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math
Video Lessons, Math Worksheets and Games for Grade 2

Common Core
Math Video Lessons, Math Worksheets and Games for all grades

Lesson 29 Concept Development

Method 1: New Groups Below

23 + 48.

Method 2: Totals Below

23 + 48.

Lesson 29 Homework

1. Add like units and record the totals below.

a. 48 + 27

b. 118 + 73

g. 188 + 22

2. Daniel counted 67 apples on one tree and 79 apples on another tree. How many apples were on both trees? Add like units and record totals below to solve.