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®
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?
Which one doesn’t belong?
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.
Choose 2 other expressions and find the values. Show your thinking.
Choose 2 other expressions and find the values. Show your thinking.
Find the value of each expression.
31 + 25
31 + 25
43 + 28
43 + 28
89 - 22
89 - 22
40 - 28
40 - 28
15 + 72
15 + 72
85 - 37
85 - 37
95 - 81
95 - 81
37 + 55
37 + 55
25 + 25
25 + 25
63 - 19
63 - 19
72 - 68
72 - 68
21 + 59
21 + 59
Choose one value that you think was less challenging to find. Explain.
Choose one value that you think was less challenging to find. Explain.
Choose one value that you think was more 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.
84 - 22
84 - 22
504 + 183
504 + 183
56 + 27
56 + 27
Which value was the most challenging to find? Explain.
Which value was the most challenging to find? Explain.