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3rd grade

Lesson 6: Strategies for subtracting two and three-digit numbers

Select strategies for subtracting within 1000

CCSS.Math: 3.NBT.A.2

Rayan wants to solve 563, minus, 192.

So, Rayan evaluates left parenthesis, 563, minus, 200, right parenthesis, plus, 8 to solve in her head.

Is Rayan's result equal to 563, minus, 192?

(Choice A)
Yes, 563, minus, 192, equals, left parenthesis, 563, minus, 200, right parenthesis, plus, 8.
(Choice B)
No, 563, minus, 192, is greater than, left parenthesis, 563, minus, 200, right parenthesis, plus, 8.
(Choice C)
No, 563, minus, 192, is less than, left parenthesis, 563, minus, 200, right parenthesis, plus, 8.

Stuck?