Topic: Number and Operations  >>  Applies mental computation strategies to subtraction up to 3 digit numbers.

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Andrew had 87 marbles with him. He gave 43 marbles to his friend. How many marbles are left with him?View Details
Find the difference.
35 - 22
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Find the difference.
35 - 22
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Find the difference.
57 - 21
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Find the difference.
57 - 21
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Subtract:
47 - 15
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Subtract:
47 - 15
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Which of the following would you use to find 86 - 42 mentally?View Details
Which of the following would you use to find the difference between 65 and 32 mentally?View Details
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