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Estimating Products Copyright © 2012 Kelly Mott. 2 Digits x 1 Digit Copyright © 2012 Kelly Mott.

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Presentation on theme: "Estimating Products Copyright © 2012 Kelly Mott. 2 Digits x 1 Digit Copyright © 2012 Kelly Mott."— Presentation transcript:

1 Estimating Products Copyright © 2012 Kelly Mott

2 2 Digits x 1 Digit Copyright © 2012 Kelly Mott

3 Estimating Products 72 _ _ 5 _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 27 _ _ 8 _ _ x x

4 Estimating Products 56 _ _ 9 _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 43 _ _ 6 _ _ x x

5 3 Digits x 1 Digit Copyright © 2012 Kelly Mott

6 Estimating Products 365 _ _ _ 6 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 425 _ _ _ 8 _ _ _ x +

7 Estimating Products 280 _ _ _ 7 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 723 _ _ _ 5 _ _ _ x +

8 2 Digits x 2 Digits Copyright © 2012 Kelly Mott

9 Estimating Products 72 _ _ 25 _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 16 _ _ 11 _ _ x x

10 Estimating Products 48 _ _ 35 _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 83 _ _ 19 _ _ x x

11 3 Digits x 2 Digits Copyright © 2012 Kelly Mott

12 Estimating Products 323 _ _ _ 36 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 112 _ _ _ 59 _ _ _ x +

13 Estimating Products 837 _ _ _ 29 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 512 _ _ _ 63 _ _ _ x +

14 3 Digits x 3 Digits Copyright © 2012 Kelly Mott

15 Estimating Products 612 _ _ _ 329 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 897 _ _ _ 261 _ _ _ x +

16 Estimating Products 787 _ _ _ 129 _ _ _ Copyright © 2012 Kelly Mott Steps: 1. Round each to the nearest digit. 2. Then multiply. xx 502 _ _ _ 431 _ _ _ x +

17 Mixed Practice Copyright © 2012 Kelly Mott

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