rounding
estimate addition
estimate subtraction
estimate multliplication
Mixed problems
100
575 (round)
What is 600?
100
429 (Estimate) +743
What is 1100?
100
Estimate 6,765 - 4,256
What is 4,000?
100
Estimate 73 x 4
What is 280?
100
estimate 5,437 + 863
What is 6,300
200
8,544 (round)
What is 9,000?
200
35,742 (estimate) + 6,098
What is 42,000?
200
Estimate 8,246 - 5,789
What is 2,000?
200
Estimate 89 7
What is 630
200
Estimate 87,564 - 6,932
What is 81,000?
300
75,357 rounded to the nearest 100
What is 75,400?
300
Estimate 8,245,778 +178,987
What is 8,400,000?
300
Estimate 78,654 - 5,342
What is 74,000?
300
Estimate 36,543 X 8
What is 320,000?
300
estimate 659,298 - 33,465
What is 630,000?
400
8,589,123 rounded to the nearest ten thousand
What is 8,590,000
400
Estimate 88,347 + 5,675
What is 94,000
400
Estimate 7,543,987 - 468,864
What is 7,000,000?
400
Estimate 73,543,876 x 6
What is 420,000,000
400
estimate 86,553 x 7
What is 630,000
500
25,375,876 rounded to the nearest hundred thousand
What is 25,400,000
500
Estimate 5,365,234 + 247,999
What is 5,600,000
500
Estimate 847,543,326 - 51,289,987
What is 800,000,000
500
estimate 567,281 x 7
What is 4,200,000?
500
estimate 43,986 x 5
What is 200,000
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