medium Set 70 Form Exercise

40 = 11 + __

Show answer

Answer: 29

SubType
number-bonds
Total
40
KnownPart
11
MissingPart
29
Difficulty
normal

Complete the number bond: 8 = 3 + __

Show answer

Answer: 5

SubType
number-bonds
Total
8
KnownPart
3
MissingPart
5
Difficulty
normal

17 = __ + 1

Show answer

Answer: 16

SubType
number-bonds
Total
17
KnownPart
1
MissingPart
16
Difficulty
normal

Number bond: 20 = 3 + ?

Show answer

Answer: 17

SubType
number-bonds
Total
20
KnownPart
3
MissingPart
17
Difficulty
normal

Complete the number bond: 49 = 34 + __

Show answer

Answer: 15

SubType
number-bonds
Total
49
KnownPart
34
MissingPart
15
Difficulty
normal

Complete the number bond: 33 = __ + 20

Show answer

Answer: 13

SubType
number-bonds
Total
33
KnownPart
20
MissingPart
13
Difficulty
normal

34 = 14 + __

Show answer

Answer: 20

SubType
number-bonds
Total
34
KnownPart
14
MissingPart
20
Difficulty
normal

Number bond: 16 = 13 + ?

Show answer

Answer: 3

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