Rounding and Estimation for Addition and Subtraction
Authored by Barbara White
Mathematics
2nd Grade
CCSS covered
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the sum of: 68 + 52
200
100
50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the sum using front-end estimation =
50
60
40
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using rounding strategy
300
500
400
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the sum using rounding strategy
200+500=700
100+500=600
200+600=800
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the number using front-end estimation
40
30
50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the number 86 using the rounding strategy
80
90
100
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.A.3
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