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

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Eureka Math/EngageNY grade 1 module 1 lesson 34 Worksheets

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

Worksheets, solution, and videos 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

NYS Math Module 1, Grade 1, Lesson 34

Lesson 34 Concept Development

Learning Goal: I can model subtracting total amounts and leaving one left over. Lesson 34 Homework

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

Make a 5-group drawing like the ones above. Show the subtraction.
3. 1 = ___ – 7
4. 8 – ___ = 0
5. 0 = ___ – 7
6. 6 – ___ = 1

Make a 5-groups drawing like the model for each problem. Show the subtraction.
7. 9 – ___ = 1
8. 0 = 8 – ___

Write the subtraction number sentence to match the 5-group drawing.

14. Fill in the missing number. Visualize your 5-groups to help you.
(a) 7 – ___ = 0
(b) 1 = 7 – ___
(c) 8 – ___ = 1
(d) 6 – ___ = 0
(e) 0 = 9 – ___
(f) 1 = 10 – ___
(g) 10 - ___ = 0
(h) 9 – ___ = 1

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