medium Set 13 Form Exercise

Number bond: 18 = ? + 5

Show answer

Answer: 13

SubType
number-bonds
Total
18
KnownPart
5
MissingPart
13
Difficulty
normal

4 = 3 + __

Show answer

Answer: 1

SubType
number-bonds
Total
4
KnownPart
3
MissingPart
1
Difficulty
normal

Number bond: 18 = 14 + ?

Show answer

Answer: 4

SubType
number-bonds
Total
18
KnownPart
14
MissingPart
4
Difficulty
normal

Complete the number bond: 17 = __ + 5

Show answer

Answer: 12

SubType
number-bonds
Total
17
KnownPart
5
MissingPart
12
Difficulty
normal

Number bond: 17 = 4 + ?

Show answer

Answer: 13

SubType
number-bonds
Total
17
KnownPart
4
MissingPart
13
Difficulty
normal

7 = 6 + __

Show answer

Answer: 1

SubType
number-bonds
Total
7
KnownPart
6
MissingPart
1
Difficulty
normal

Complete the number bond: 8 = 6 + __

Show answer

Answer: 2

SubType
number-bonds
Total
8
KnownPart
6
MissingPart
2
Difficulty
normal

Complete the number bond: 14 = __ + 9

Show answer

Answer: 5

SubType
number-bonds
Total
14
KnownPart
9
MissingPart
5
Difficulty
normal