medium Set 78 Form Exercise

Complete the number bond: 18 = __ + 6

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Answer: 12

SubType
number-bonds
Total
18
KnownPart
6
MissingPart
12
Difficulty
normal

Number bond: 7 = 4 + ?

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Answer: 3

SubType
number-bonds
Total
7
KnownPart
4
MissingPart
3
Difficulty
normal

Complete the number bond: 15 = __ + 11

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Answer: 4

SubType
number-bonds
Total
15
KnownPart
11
MissingPart
4
Difficulty
normal

Number bond: 19 = 4 + ?

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Answer: 15

SubType
number-bonds
Total
19
KnownPart
4
MissingPart
15
Difficulty
normal

18 = __ + 17

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Answer: 1

SubType
number-bonds
Total
18
KnownPart
17
MissingPart
1
Difficulty
normal

Complete the number bond: 6 = __ + 1

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Answer: 5

SubType
number-bonds
Total
6
KnownPart
1
MissingPart
5
Difficulty
normal

Number bond: 13 = ? + 7

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Answer: 6

SubType
number-bonds
Total
13
KnownPart
7
MissingPart
6
Difficulty
normal

Complete the number bond: 16 = __ + 3

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Answer: 13

SubType
number-bonds
Total
16
KnownPart
3
MissingPart
13
Difficulty
normal