Using Rounding to Estimate (2 by 2 multiplication)
Authored by Angelica Hart
Mathematics
4th Grade
CCSS covered
Used 85+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
31 x 12
31 rounds to 30
12 rounds to 10
______ x ______= _______
30x10=300
30x12=300
31x10=310
Tags
CCSS.4.NBT.B.5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
28x17
28 rounds to 30
17 rounds to 20
30x20=_____
60
6
600
6,000
Tags
CCSS.4.NBT.B.5
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
54x14
ROUND first!
Tags
CCSS.4.NBT.B.5
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
44x22
ROUND first!
Tags
CCSS.4.NBT.B.5
5.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
15x38
ROUND first!
Tags
CCSS.4.NBT.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
45x19
ROUND first!
1,000
100
10
Tags
CCSS.4.NBT.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
34x48
ROUND first!
150
1,500
15
Tags
CCSS.4.NBT.B.5
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