Operations on decimal numbers
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Mathematics
5th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Danielle has $17.95. Raj has $6.35. Which equation shows the best way to estimate the money they have together?
$18.00 + $7.00
$18.00 + $6.00
$17.00 + $7.00
$17.00 + $6.00
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
2.
MULTIPLE SELECT QUESTION
30 sec • 5 pts
Estimate the sum.
79.7 + 32.3 =
110
112
200
150
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is the best estimate for the equation:
70.2-59.7
25
10
3
19
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Round to the nearest ones and then add.
3.872 + 2.409
5
7
6
4
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is 900 a reasonable estimate for the sum of 232 + 501?
Yes
No
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
6.
FILL IN THE BLANK QUESTION
30 sec • 5 pts
Estimate to the nearest WHOLE number and solve:
44.56 - 14.72
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Estimate the difference by rounding each decimal to the nearest hundred.
376.8 - 109.5
100
200
300
400
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.B.4
CCSS.5.NBT.B.7
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