Relate Math Drawings to Subtraction

 

Videos solutions to help Grade 2 students learn how to use math drawings to represent subtraction with and without decomposition and relate drawings to a written method.

Common Core Standards: 2.OA.1, 2.NBT.7, 2.NBT.9, 2.NBT.5

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, Lessons 13

NYS Math Module 4 Grade 2 Lesson 13

Lesson 13 Homework

1. Complete the problem by subtracting vertically. Use the place value chart and chips to model each problem. Show how you change 1 ten for 10 ones when necessary.
b. 54 – 28 = _____

2. Solve vertically. Draw a place value chart and chips to model each problem. Show how you change 1 ten for 10 ones when necessary.
a. 31 – 19 = _____
d. 67 – 44 = _____
d. 82 – 59 = _____

Subtraction Algorithm Represented as Chip Model
51 - 29 =

This video shows how to use the place value chart and chips to model the problem 52 - 18