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Model n - n and n - (n - 1) as subtraction sentences




 

Videos solutions to help Grade 1 students learn how to model n - n and n - (n - 1) pictorially and as subtraction sentences.

Common Core Standards: 1.OA.5, 1.OA.6, 1.OA.4

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

Common Core Math Video Lessons, Math Worksheets and Games for Grade 1

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

New York State Common Core Math Module 1, Grade 1, Lesson 34


NYS Math Module 1, Grade 1, Lesson 34

Lesson 34 Homework

Cross off to subtract.
10 – 10 = ____
9 – 8 = ____

Make a 5-group drawing like the ones above. Show the subtraction.
Make a 5-groups drawing like the model for each problem. Show the subtraction.
Write the subtraction number sentence to match the 5-group drawing.




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