Name ____________________________________

Topic # 12 Subtracting 2 - and 3 - digit Numbers

Learning Expectations:

* Solve subtraction problems with mental computation.

* Solve 1 and 2 step problems.

* Understand that an estimate represents a range of exact numbers.

Sample Problems:

Write a subtraction sentence that uses two 3 - digit numbers.

Choose an example that you cannot do in your head.

One like; 412 - 231 = Not like this 725 - 625 = or 300 - 100 =

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Now write how you would find the answer:

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The video game system was $863. It was on sale for $ 671.

How much was the video game system reduced? Show your work.

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Max was reading a good book that had 352 pages. Steve’s book had 563 pages.

How many more pages did Steve’s book have. Show your work.

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