medium Set 47 Form Exercise

Number bond: 32 = ? + 14

Show answer

Answer: 18

SubType
number-bonds
Total
32
KnownPart
14
MissingPart
18
Difficulty
normal

Number bond: 46 = 38 + ?

Show answer

Answer: 8

SubType
number-bonds
Total
46
KnownPart
38
MissingPart
8
Difficulty
normal

21 = 4 + __

Show answer

Answer: 17

SubType
number-bonds
Total
21
KnownPart
4
MissingPart
17
Difficulty
normal

4 = 3 + __

Show answer

Answer: 1

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

Number bond: 13 = ? + 2

Show answer

Answer: 11

SubType
number-bonds
Total
13
KnownPart
2
MissingPart
11
Difficulty
normal

5 = __ + 1

Show answer

Answer: 4

SubType
number-bonds
Total
5
KnownPart
1
MissingPart
4
Difficulty
normal

Number bond: 30 = 20 + ?

Show answer

Answer: 10

SubType
number-bonds
Total
30
KnownPart
20
MissingPart
10
Difficulty
normal

Number bond: 49 = 32 + ?

Show answer

Answer: 17

SubType
number-bonds
Total
49
KnownPart
32
MissingPart
17
Difficulty
normal