Use Number Bonds to Subtract

Videos solutions to help Grade 2 students learn how to use number bonds to break apart three-digit minuends and subtract from the hundred.

Common Core Standards: 2.NBT.6, 2.NBT.7, 2.NBT.8, 2.NBT.9

Related Topics:
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

New York State Common Core Math Module 4, Grade 2, Lesson 23

NYS Math Module 4 Grade 2 Lesson 23

How to use the Take from 100 Strategy

Lesson 23 Problem Set

1. Solve using number bonds to subtract from 100. The first one has been done for you.
a. 106 – 90 = 16
b. 116 – 90
c. 114 – 80
d. 115 – 80
e. 123 – 70
f. 127 – 60



Lesson 23 Homework

1. Solve using number bonds to subtract from 100.
a. 105 – 90 = 15
b. 121 – 90
e. 136 – 60

2. Monica incorrectly solved 132 – 70 to get 102. Show her how to solve it correctly.