Finding Unknown Number in an Equation
Authored by Anthony Clark
Mathematics
3rd Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the missing addend for this equation
5+__= 8
3
6
5
8
Tags
CCSS.1.OA.D.8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6 + ? = 15
8
21
9
10
Tags
CCSS.1.OA.D.8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8 + ? = 16
7
10
9
8
Tags
CCSS.1.OA.D.8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3 + ? = 12
15
9
10
6
Tags
CCSS.1.OA.D.8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What unknown number makes this equation true?
743 + 7 = 700 + _____
750
50
700
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for the unknown
5+6 = 4+N
9
10
6
7
Tags
CCSS.1.OA.D.8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What number makes this equation true? 7 x ∆ = 42
8
6
4
7
Tags
CCSS.3.OA.A.4
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