Lesson 5-2 (True or False Equations)

15 = 15

• True

• False

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CCSS.1.OA.D.7

16 = 30

• True

• False

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CCSS.1.OA.D.7

8 + 4 = 12

• True

• False

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CCSS.1.OA.C.6

CCSS.1.OA.D.7

5 + 6 = 12

• True

• False

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CCSS.1.OA.C.6

CCSS.1.OA.D.7

5 + 3 = 2 + 4

• True

• False

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CCSS.1.OA.D.7

10 - 2 = 1 + 7

• True

• False

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CCSS.1.OA.D.7

Which equation is true?

• 12 - 4 = 6 + 3

• 9 + 3 = 10 + 3

• 8 - 7 = 11 - 10

• 6 + 6 = 11 + 2

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CCSS.1.OA.C.6

CCSS.1.OA.D.7

Jamie says that 15 - 10 is equal to 20 - 10 because they both use subtraction. Is Jamie correct?

• Yes, she is correct.

• No, she is not correct.

Tags

CCSS.1.OA.A.1

CCSS.1.OA.B.3

CCSS.1.OA.D.7