Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics
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Last updated 9 months ago
15 questions
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Grade 2 Unit 7
Lesson 3: Count on or Count Back to Subtract
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 7
Lesson 3: Count on or Count Back to Subtract
CC BY 2021 Illustrative Mathematics®
Lesson: Count on or Count Back to Subtract
Find the value of each expression mentally.
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What do you notice?
What do you notice?
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What do you wonder?
What do you wonder?
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Try Andre’s way to find the value of 189 - 73.
Show your thinking. Use a number line if it helps.
Try Andre’s way to find the value of
189 - 73.
Show your thinking. Use a number line if it helps.
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Find the value of 647 - 46 in your own way.
Show your thinking. Use a number line if it helps.
Find the value of 647 - 46 in your own way.
Show your thinking. Use a number line if it helps.
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Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.
Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.
Find the number that makes each equation true.
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250 + _______ = 1,000
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600 - 440 = _______
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680 + _______ = 900
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_______ + 590 = 1,000
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900 - 370 = _______
Cool Down : Mystery Number
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Find the number that makes the equation true.
Show your thinking.
Find the number that makes the equation true.
Show your thinking.