easy Set 53 Form Exercise

Find the complement to 10: 8 + __ = 10

Show answer

Answer: 2

SubType
complement-of-9
Total
10
KnownAddend
8
Difficulty
normal

__ + 7 = 10

Show answer

Answer: 3

SubType
complement-of-9
Total
10
KnownAddend
7
Difficulty
normal

Find the complement to 20: 8 + __ = 20

Show answer

Answer: 12

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

Find the complement to 100: 61 + __ = 100

Show answer

Answer: 39

SubType
complement-of-9
Total
100
KnownAddend
61
Difficulty
normal

__ + 7 = 20

Show answer

Answer: 13

SubType
complement-of-9
Total
20
KnownAddend
7
Difficulty
normal

__ + 40 = 100

Show answer

Answer: 60

SubType
complement-of-9
Total
100
KnownAddend
40
Difficulty
normal

Find the complement to 20: 14 + __ = 20

Show answer

Answer: 6

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

__ + 9 = 10

Show answer

Answer: 1

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

Find the complement to 100: 81 + __ = 100

Show answer

Answer: 19

SubType
complement-of-9
Total
100
KnownAddend
81
Difficulty
normal

__ + 1 = 10

Show answer

Answer: 9

SubType
complement-of-9
Total
10
KnownAddend
1
Difficulty
normal

What number + 66 = 100?

Show answer

Answer: 34

SubType
complement-of-9
Total
100
KnownAddend
66
Difficulty
normal

Find the complement to 100: 17 + __ = 100

Show answer

Answer: 83

SubType
complement-of-9
Total
100
KnownAddend
17
Difficulty
normal

What number + 5 = 20?

Show answer

Answer: 15

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

What number + 5 = 10?

Show answer

Answer: 5

SubType
complement-of-9
Total
10
KnownAddend
5
Difficulty
normal

What number + 82 = 100?

Show answer

Answer: 18

SubType
complement-of-9
Total
100
KnownAddend
82
Difficulty
normal

Find the complement to 100: 33 + __ = 100

Show answer

Answer: 67

SubType
complement-of-9
Total
100
KnownAddend
33
Difficulty
normal

What number + 75 = 100?

Show answer

Answer: 25

SubType
complement-of-9
Total
100
KnownAddend
75
Difficulty
normal

Find the complement to 100: 3 + __ = 100

Show answer

Answer: 97

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