What is the unknown number?
17-8=?
8+?=17
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Lessons Unknown Numbers Games
Quiz
•
Barbara White
•
Mathematics
•
1st Grade
•
Hard
6 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the unknown number?
11-3=?
3+?=11
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the unknown number?
8-5=?
5+?=8
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the unknown number?
14-7=?
7+?=14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the related addition fact for
15-9=6
9+6=15
10+5=15
15-6=9
8+7=15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the related addition fact for
14-6=8
14-8=6
8+6=14
13+1=14
8+5=13
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