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Unit 5 - Lesson 4 - Grade 2: Illustrative Mathematics

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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?

2.

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.

3.

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

4.

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

5.

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

6.

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

7.

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

8.

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.
9.
4 hundreds + 6 tens + 2 ones = _______
10.
7 ones + 2 hundreds + 6 tens = _______
11.
3 tens + 5 hundreds = _______
12.
325 = _______hundreds + _______ones + _______tens
13.
70 + 300 + 2 = _______
14.
836 = 6 + 800 + _______
Clare and Elena worked to find the number that makes the equation true:

7 ones + 3 hundreds = ________.
15.

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.
16.
638 = _______ones + _______hundreds + _______tens
17.
7 tens + 2 ones + 4 hundreds = _______