Estimate Sums Using Rounding
Authored by Carolyn Thomas
Mathematics
3rd Grade
CCSS covered
Used 50+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. Then find the estimate using the rounded numbers.
24 + 38
20 + 40 = 60
30 + 30 = 60
25 + 35 = 60
30 + 40 = 70
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. Then find the estimate using the rounded numbers.
47 + 56
40 + 50 = 90
50 + 60 = 110
45 + 55 = 100
50 + 50 = 100
Tags
CCSS.2.NBT.B.7
CCSS.2.NBT.B.8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. Then find the estimate using the rounded numbers.
63 + 29
60 + 30 = 90
60 + 20 = 80
70 + 30 = 100
65 + 25 = 90
Tags
CCSS.2.NBT.B.7
CCSS.2.NBT.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. Then find the estimate using the rounded numbers.
82 + 19
80 + 20 = 100
80 + 10 = 90
85 + 15 = 100
80 + 25 = 105
Tags
CCSS.2.NBT.B.7
CCSS.2.NBT.B.8
CCSS.2.NBT.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. Then find the estimate using your rounded numbers.
314 + 421
300 + 400 = 700
320 + 420 = 740
310 + 420 = 730
300 + 420 = 720
Tags
CCSS.2.NBT.B.8
CCSS.2.NBT.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round each number to the nearest ten. and then add the rounded numbers.
569 + 342
500 + 300 = 800
560 + 340 = 900
570 + 340 = 910
600 + 300 = 900
Tags
CCSS.2.NBT.B.7
CCSS.2.NBT.B.8
CCSS.2.NBT.B.5
CCSS.2.NBT.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round 657 to the nearest hundred.
600
650
700
660
Tags
CCSS.4.NBT.A.3
CCSS.3.NBT.A.1
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