Find the Unknown
Authored by Anthony Clark
Mathematics
3rd Grade
CCSS covered
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
27 ÷ _____ = 9
Tags
CCSS.3.OA.A.4
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
8 x _____ = 32
Tags
CCSS.3.OA.A.4
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
9 = _____ ÷ 5
Tags
CCSS.3.OA.A.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What unknown number makes this equation true?
819
161
811
809
Answer explanation
Don't forget to borrow and regroup!
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What unknown number makes this equation true?
56
64
46
54
Tags
CCSS.2.OA.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jenna made a picture graph in which each star represents some number of students. She forgot to complete the key. The difference between the number of students who voted for blue and the number of students who voted for red is greater than 5 but less than 9. Which of these is a possible number of students each star could represent?
3
5
8
6
Answer explanation
It either represents 3 or 4.
If 3...
Blue = 12 students
Red = 6
12 - 6 = 6, which is greater than 5 but less than 9.
If 4...
Blue = 16 students
Red = 8 students
16 - 8 = 8, which is greater than 5 but less than 9.
Tags
CCSS.7.EE.B.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
26 + ? = 28
2
54
20
3
Tags
CCSS.1.OA.D.8
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