# Model Subtract of 9 from Teen Numbers

Videos and solutions to help Grade 1 students learn how to model subtraction of 9 from teen numbers.

Common Core Standards: 1.OA.1, 1.OA.3, 1.OA.4, 1.OA.6, 1.OA.5, 1.OA.7

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Lesson Plans and Worksheets for Grade 1

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New York State Common Core Math Module 2, Grade 1, Lesson 15

Lesson 15 Exit Ticket

Draw 5-group rows and cross out to solve. Complete the number sentences.

1. 17 – 9 = ___

2. 19 – 9 = ___

Lesson 15 Homework

Write the number sentence for each 5-group row drawing.
Draw 5-groups to complete the number bond and write the 9– number sentence.
Draw 5-groups to show making ten and taking from ten to solve the two number sentences. Make a number bond and write two additional number sentences that would have this number bond.

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