Here is how Emerson calculated 331÷ 25. Explain why her strategy makes sense. 4 x 3 = 12 12 +1 = 13 13R6 25 x4 100 x3 300 +25 325 and 6 left

PREALGEBRA
15th Edition
ISBN:9781938168994
Author:OpenStax
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Chapter9: Math Models And Geometry
Section9.7: Solve A Formula For A Specific Variable
Problem 359E: Solve the equation 2x + 3y = 6 for y : (a) when x=- 3 (b) in general (c) Which solution is easier...
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. Here is how Emerson calculated 331 + 25. Explain why her strategy makes sense.
25
4 x 3 = 12
x4
12 +1 = 13
100
13R6
x3
300
+25
325
and 6 left
Transcribed Image Text:. Here is how Emerson calculated 331 + 25. Explain why her strategy makes sense. 25 4 x 3 = 12 x4 12 +1 = 13 100 13R6 x3 300 +25 325 and 6 left
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