Asked by Alexis
Sara estimated 23 x 43 using 20 x 40. Sam estimated 23 x 43 using 25 x 40. Whose method will give an estimate closer to the exact answer? Tell how you decided.
Answers
Answered by
Reiny
Sara rounded down both numbers.
Sam rounded one number down and the other up. It "evened" out more, his answer is closest to the exact one.
Sam rounded one number down and the other up. It "evened" out more, his answer is closest to the exact one.
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