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1OA4.1
Matching
Solve the following subtraction number sentence by matching it with the addition number sentence that would best help you.
a.
13-?=8
d.
13-?=1
b.
?-11=2
e.
?-4=9
c.
?-7=6
A
B
C
D
E
1.
6+7=13
A
B
C
D
E
2.
1+12=13
A
B
C
D
E
3.
2+11=13
A
B
C
D
E
4.
9+4=13
A
B
C
D
E
5.
5+8=13
Find the missing number. Match the following subtraction number sentences with the addition number sentence that would help you solve it.
a.
17-?=1
d.
?-11=6
b.
?-3=14
e.
17-?=8
c.
17-13=?
A
B
C
D
E
6.
14+3=17
A
B
C
D
E
7.
6+11=17
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B
C
D
E
8.
8+9=17
A
B
C
D
E
9.
1+16=17
A
B
C
D
E
10.
17-13=?