Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

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Grade 2 Unit 5
Lesson 4: Write Three-digit Numbers
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 2 Unit 5
Lesson 4: Write Three-digit Numbers
CC BY 2021 Illustrative Mathematics®

Lesson: Write Three-digit Numbers

How Many Do You See: Blocks (Warm Up)

How many do you see?

How do you see them?

Place Value Riddles

Solve each riddle and write the three-digit number. Use the table to help you organize the digits.

I have 2 ones, 7 tens, and 6 hundreds.

Mixed-up Digits

Find the number that makes each equation true. Use base-ten blocks or diagrams if they help.

4 hundreds + 6 tens + 2 ones = _______ 

Cool Down: Order of Digits

Find the numbers that make each equation true.

638 = _______ones + _______hundreds + _______tens

7 tens + 2 ones + 4 hundreds = _______ 

Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

How Many Do You See: Blocks (Warm Up)

How many do you see?

How do you see them?

Place Value Riddles

I have 2 ones, 7 tens, and 6 hundreds.

Mixed-up Digits

How Many Do You See: Blocks (Warm Up)

How many do you see?

How do you see them?

Place Value Riddles

I have 2 ones, 7 tens, and 6 hundreds.

I have 3 ones, 5 tens, and 2 hundreds.

I have 7 hundreds, 5 ones, and 3 tens.

I have 5 hundreds, no tens, and 9 ones.

I have 4 ones, 6 tens, and 3 hundreds.

I have 8 tens, 1 hundred, and no ones.

Mixed-up Digits

Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
Clare wrote 7 ones 3 hundreds 37.
Elena wrote 7 ones 3 hundreds 307.
Who do you agree with? Explain.

I have 3 ones, 5 tens, and 2 hundreds.

I have 7 hundreds, 5 ones, and 3 tens.

I have 5 hundreds, no tens, and 9 ones.

I have 4 ones, 6 tens, and 3 hundreds.

I have 8 tens, 1 hundred, and no ones.

Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
Clare wrote 7 ones 3 hundreds 37.
Elena wrote 7 ones 3 hundreds 307.
Who do you agree with? Explain.

Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

How Many Do You See: Blocks (Warm Up)

How many do you see?

How do you see them?

Place Value Riddles

I have 2 ones, 7 tens, and 6 hundreds.

Mixed-up Digits

How Many Do You See: Blocks (Warm Up)

How many do you see?

How do you see them?

Place Value Riddles

I have 2 ones, 7 tens, and 6 hundreds.

I have 3 ones, 5 tens, and 2 hundreds.

I have 7 hundreds, 5 ones, and 3 tens.

I have 5 hundreds, no tens, and 9 ones.

I have 4 ones, 6 tens, and 3 hundreds.

I have 8 tens, 1 hundred, and no ones.

Mixed-up Digits

Clare and Elena worked to find the number that makes the equation true:7 ones + 3 hundreds = ________.Clare wrote 7 ones 3 hundreds 37.Elena wrote 7 ones 3 hundreds 307.Who do you agree with? Explain.

I have 3 ones, 5 tens, and 2 hundreds.

I have 7 hundreds, 5 ones, and 3 tens.

I have 5 hundreds, no tens, and 9 ones.

I have 4 ones, 6 tens, and 3 hundreds.

I have 8 tens, 1 hundred, and no ones.

Clare and Elena worked to find the number that makes the equation true:7 ones + 3 hundreds = ________.Clare wrote 7 ones 3 hundreds 37.Elena wrote 7 ones 3 hundreds 307.Who do you agree with? Explain.

Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
Clare wrote 7 ones 3 hundreds 37.
Elena wrote 7 ones 3 hundreds 307.
Who do you agree with? Explain.

Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
Clare wrote 7 ones 3 hundreds 37.
Elena wrote 7 ones 3 hundreds 307.
Who do you agree with? Explain.