Subtraction within 20
Authored by Samantha Shisler
Mathematics
1st Grade
CCSS covered
Used 79+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve
15 - 6 =
9
10
21
0
Tags
CCSS.2.OA.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve.
19 - 10 =
9
0
29
19
Tags
CCSS.1.OA.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use a number line to solve.
20 - 8 =
20
8
12
28
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use a number line to solve.
14 - 7 =
7
14
9
21
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the number sentence that matches the word problem.
Mom has 18 flowers. She picks 6 of them. How many flowers does mom have left?
6+12=18
18-6=12
20-18=2
15-1=14
Tags
CCSS.2.OA.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve.
There were 11 bats in a cave. 7 bats fly out. How many bats are left in the cave?
0
7
11
4
Tags
CCSS.2.OA.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number sentence complete the fact family?
5+2=7
__+__=__
7-5=2
7-2=5
2+5=7
7+5=12
7+2=9
7-0=7
Tags
CCSS.1.OA.C.6
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