Mental Math
Authored by Cassie Duchscher
Mathematics
4th - 5th Grade
CCSS covered
Used 1K+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Start with the number of sides on an octagon.
2) Divide by 2
3) Multiply by 4
16
12
18
8
Tags
CCSS.3.OA.A.3
CCSS.3.OA.C.7
CCSS.3.OA.D.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) 6 + 12
2) minus 12
3) times 2
10
12
14
24
Tags
CCSS.3.OA.A.3
CCSS.3.OA.D.8
CCSS.3.NBT.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) take the sides in a hexagon
2) multiply by 9
3) minus 4
40
50
54
44
Tags
CCSS.4.NBT.B.5
CCSS.4.OA.A.2
CCSS.4.OA.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) take the number of sides in a triangle
2) multiply by the number of sides in a square
3) minus 6
8
5
6
7
Tags
CCSS.3.OA.A.3
CCSS.3.OA.D.8
CCSS.3.OA.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) 20 x 3
2) minus 12
3) plus 3
41
52
51
50
Tags
CCSS.3.OA.A.3
CCSS.3.OA.C.7
CCSS.3.OA.D.8
CCSS.3.NBT.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Take the number of months in a year
2) Divide by 2
3) times 5
40
45
30
35
Tags
CCSS.3.OA.A.3
CCSS.3.OA.C.7
CCSS.3.OA.D.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Take the number of sides in a quadrilateral
2) Multiply by 4
3) Add 10
25
23
29
26
Tags
CCSS.3.OA.A.3
CCSS.3.OA.C.7
CCSS.3.OA.D.8
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