Grade 3 Unit 3
Lesson 7: Subtract Your Way
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 3
Lesson 7: Subtract Your Way
CC BY 2021 Illustrative Mathematics®
Find the value of each expression mentally.
50 - 10
58 - 10
258 - 20
258 - 24
Find the value of each difference in any way that makes sense to you.
Explain or show your reasoning.
428 - 213
Find the value of each difference in any way that makes sense to you.
Explain or show your reasoning.
505 - 398
Find the value of each difference in any way that makes sense to you.
Explain or show your reasoning.
394 - 127
Jada and Han made drawings to show how they used base-ten blocks to find the value of 262 - 135.
Their drawings are shown.
How are their drawings alike?
How are their drawings different?
Here are three expressions, followed by three diagrams. Match each expression to the diagram that represents it.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
252 - 132 | arrow_right_alt | |
252 - 181 | arrow_right_alt | |
262 - 135 | arrow_right_alt |
Find the value of the expression.
252 - 181
Find the value of the expression.
262 - 135
Find the value of the expression.
252 - 132
Find the value of 372 - 158. Explain or show your reasoning.
