Add/Subtract Decimals: using models, estimation, and decomposing
Authored by Christina Kolker
Mathematics
5th Grade
CCSS covered
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Does this model represent addition or subtraction?
addition
subtraction
Tags
CCSS.5.NBT.B.7
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Which problem is represented in the model?
0.32 - 0.17
0.49 - 0.32
0.32 + 0.17
0.49 - 0.17
Tags
CCSS.5.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
What is the answer to this model?
0.19
0.61
0.42
0.2
Tags
CCSS.4.NF.C.6
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Which problem is represented by this model? BE CAREFUL!
0.27 - 0.9
0.18 + 0.09
0.9 + 0.18
0.27 - 0.09
Tags
CCSS.5.NBT.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Estimating is finding a value that is CLOSE or APPROXIMATE to the actual value, but it's not exact.
True
False
Tags
CCSS.3.OA.D.8
CCSS.4.OA.A.3
CCSS.7.EE.B.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Roughly, approximately, and about are all clues for knowing when to round or estimate.
True
False
Tags
CCSS.5.NBT.B.7
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Round to the nearest WHOLE number to find the sum: 34.87 + 20.41
55
55.28
54
50
Tags
CCSS.5.NBT.B.7
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
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