easy Set 63 Form Exercise

Find the complement to 20: 14 + __ = 20

Show answer

Answer: 6

SubType
complement-of-9
Total
20
KnownAddend
14
Difficulty
normal

__ + 27 = 100

Show answer

Answer: 73

SubType
complement-of-9
Total
100
KnownAddend
27
Difficulty
normal

What number + 4 = 20?

Show answer

Answer: 16

SubType
complement-of-9
Total
20
KnownAddend
4
Difficulty
normal

What number + 65 = 100?

Show answer

Answer: 35

SubType
complement-of-9
Total
100
KnownAddend
65
Difficulty
normal

What number + 5 = 20?

Show answer

Answer: 15

SubType
complement-of-9
Total
20
KnownAddend
5
Difficulty
normal

What number + 15 = 100?

Show answer

Answer: 85

SubType
complement-of-9
Total
100
KnownAddend
15
Difficulty
normal

__ + 1 = 20

Show answer

Answer: 19

SubType
complement-of-9
Total
20
KnownAddend
1
Difficulty
normal

__ + 15 = 20

Show answer

Answer: 5

SubType
complement-of-9
Total
20
KnownAddend
15
Difficulty
normal

What number + 2 = 20?

Show answer

Answer: 18

SubType
complement-of-9
Total
20
KnownAddend
2
Difficulty
normal

Find the complement to 20: 8 + __ = 20

Show answer

Answer: 12

SubType
complement-of-9
Total
20
KnownAddend
8
Difficulty
normal

What number + 6 = 10?

Show answer

Answer: 4

SubType
complement-of-9
Total
10
KnownAddend
6
Difficulty
normal

__ + 3 = 100

Show answer

Answer: 97

SubType
complement-of-9
Total
100
KnownAddend
3
Difficulty
normal

Find the complement to 100: 51 + __ = 100

Show answer

Answer: 49

SubType
complement-of-9
Total
100
KnownAddend
51
Difficulty
normal

__ + 5 = 20

Show answer

Answer: 15

SubType
complement-of-9
Total
20
KnownAddend
5
Difficulty
normal

Find the complement to 100: 57 + __ = 100

Show answer

Answer: 43

SubType
complement-of-9
Total
100
KnownAddend
57
Difficulty
normal

Find the complement to 100: 29 + __ = 100

Show answer

Answer: 71

SubType
complement-of-9
Total
100
KnownAddend
29
Difficulty
normal

What number + 6 = 100?

Show answer

Answer: 94

SubType
complement-of-9
Total
100
KnownAddend
6
Difficulty
normal

__ + 2 = 10

Show answer

Answer: 8

SubType
complement-of-9
Total
10
KnownAddend
2
Difficulty
normal

__ + 18 = 20

Show answer

Answer: 2

SubType
complement-of-9
Total
20
KnownAddend
18
Difficulty
normal

What number + 31 = 100?

Show answer

Answer: 69

SubType
complement-of-9
Total
100
KnownAddend
31
Difficulty
normal