Mental strategies for addition and subtraction
Authored by Rufida River
Mathematics
3rd Grade
CCSS covered
Used 19+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the question that give you 15
11 - 1 + 5
20 - 10 + 10
10 + 6
19 - 8
Tags
CCSS.5.OA.A.1
CCSS.5.OA.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the question that give you 17
10 + 6 + 2
19 - 9 + 6
20 - 5 + 1
6 +4 +7
Tags
CCSS.5.OA.A.1
CCSS.5.OA.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10 + 3 + 2 =
15
19
14
20
Tags
CCSS.1.OA.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9 - 4 + 5 =
14
5
10
15
Tags
CCSS.5.OA.A.1
CCSS.5.OA.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13 - 3 + 10 =
20
16
10
23
Tags
CCSS.5.OA.A.1
CCSS.5.OA.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the question that give you 19
10 - 4
20 - 10 + 9
20 - 10
19 - 9 + 5
Tags
CCSS.5.OA.A.1
CCSS.5.OA.A.2
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