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®
How many do you see?
How do you see them?
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.
I have 3 ones, 5 tens, and 2 hundreds.
Find the number that makes each equation true. Use base-ten blocks or diagrams if they help.
4 hundreds + 6 tens + 2 ones =
7 ones + 2 hundreds + 6 tens =
Find the numbers that make each equation true.
638 =
7 tens + 2 ones + 4 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.
3 tens + 5 hundreds =
325 =
70 + 300 + 2 =
836 = 6 + 800 +
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.
