Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics

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Grade 2 Unit 7

Lesson 3: Count on or Count Back to Subtract

CC BY 2021 Illustrative Mathematics®

Instrukcije

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

Number Talk: Tens and Hundreds (Warm Up)

Find the value of each expression mentally.

Jump Back, Back, Back

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What do you notice?

What do you wonder?

Try Andre’s way to find the value of
189 - 73.
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.

Who Spilled Paint?

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.

Cool Down : Mystery Number

Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics

Number Talk: Tens and Hundreds (Warm Up)

Jump Back, Back, Back

Who Spilled Paint?

Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics

Number Talk: Tens and Hundreds (Warm Up)

Jump Back, Back, Back

What do you notice?

What do you wonder?

Try Andre’s way to find the value of
189 - 73.
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.

Who Spilled Paint?

Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.

Find the number that makes the equation true.
Show your thinking.

What do you notice?

What do you wonder?

Try Andre’s way to find the value of
189 - 73.
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.

Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.

Find the number that makes the equation true.
Show your thinking.

Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics

Number Talk: Tens and Hundreds (Warm Up)

Jump Back, Back, Back

Who Spilled Paint?

Unit 7 - Lesson 3 - Grade 2: Illustrative Mathematics

Number Talk: Tens and Hundreds (Warm Up)

Jump Back, Back, Back

What do you notice?

What do you wonder?

Try Andre’s way to find the value of 189 - 73.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.

Who Spilled Paint?

Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.

Find the number that makes the equation true.Show your thinking.

What do you notice?

What do you wonder?

Try Andre’s way to find the value of 189 - 73.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.

Oh no! Diego spilled paint on his paper and now he can’t see all the numbers.

Find the number that makes the equation true.Show your thinking.

Try Andre’s way to find the value of
189 - 73.
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.

Find the number that makes the equation true.
Show your thinking.

Try Andre’s way to find the value of
189 - 73.
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.

Find the number that makes the equation true.
Show your thinking.