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Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

Last updated 9 months ago
17 questions
Note from the author:
Grade 2 Unit 5
Lesson 4: Write Three-digit Numbers
CC BY 2021 Illustrative Mathematics®
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)

1

How many do you see?

1

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.

1

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

1

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

1

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

1

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

1

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

1

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

Mixed-up Digits

Find the number that makes each equation true. Use base-ten blocks or diagrams if they help.
1
4 hundreds + 6 tens + 2 ones = _______
1
7 ones + 2 hundreds + 6 tens = _______
1
3 tens + 5 hundreds = _______
1
325 = _______hundreds + _______ones + _______tens
1
70 + 300 + 2 = _______
1
836 = 6 + 800 + _______
Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
1

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.

Cool Down: Order of Digits
Find the numbers that make each equation true.
1
638 = _______ones + _______hundreds + _______tens
1
7 tens + 2 ones + 4 hundreds = _______