Unit 9 - Lesson 7 - Grade 2: Illustrative Mathematics

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21 questions

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Grade 2 Unit 9
Lesson 7: Add and Subtract Within 1,000
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 2 Unit 9
Lesson 7: Add and Subtract Within 1,000
CC BY 2021 Illustrative Mathematics®

Lesson: Add and Subtract Within 1,000

Which One Doesn’t Belong: Add and Subtract Within 100 (Warm Up)

Which one doesn’t belong?

Which Would You Rather Find?

Circle 2 sums or differences you think would be the most challenging to find.

Find the value of one of these expressions. Show your thinking.

Choose 2 other expressions and find the values. Show your thinking.

Add and Subtract within 100

Choose one value that you think was less challenging to find. Explain.

Choose one value that you think was more challenging to find. Explain.

Cool Down: Add and Subtract Within 1,000

Find the value of each expression.

Unit 9 - Lesson 7 - Grade 2: Illustrative Mathematics

Unit 9 - Lesson 7 - Grade 2: Illustrative Mathematics

Which One Doesn’t Belong: Add and Subtract Within 100 (Warm Up)

Which one doesn’t belong?

Which Would You Rather Find?

Circle 2 sums or differences you think would be the most challenging to find. Find the value of one of these expressions. Show your thinking.

Choose 2 other expressions and find the values. Show your thinking.

Add and Subtract within 100

Choose one value that you think was less challenging to find. Explain.

Choose one value that you think was more challenging to find. Explain.

84 - 22

504 + 183

Which One Doesn’t Belong: Add and Subtract Within 100 (Warm Up)

Which one doesn’t belong?

Which Would You Rather Find?

Circle 2 sums or differences you think would be the most challenging to find. Find the value of one of these expressions. Show your thinking.

Choose 2 other expressions and find the values. Show your thinking.

Add and Subtract within 100

31 + 25

43 + 28

89 - 22

40 - 28

15 + 72

85 - 37

95 - 81

37 + 55

25 + 25

63 - 19

72 - 68

21 + 59

Choose one value that you think was less challenging to find. Explain.

Choose one value that you think was more challenging to find. Explain.

84 - 22

504 + 183

56 + 27

Which value was the most challenging to find? Explain.

31 + 25

43 + 28

89 - 22

40 - 28

15 + 72

85 - 37

95 - 81

37 + 55

25 + 25

63 - 19

72 - 68

21 + 59

56 + 27

Which value was the most challenging to find? Explain.

Circle 2 sums or differences you think would be the most challenging to find.

Find the value of one of these expressions. Show your thinking.

Circle 2 sums or differences you think would be the most challenging to find.

Find the value of one of these expressions. Show your thinking.