easy Set 26 Form Exercise

What number + 22 = 100?

Show answer

Answer: 78

SubType
complement-of-10
Total
100
KnownAddend
22
Difficulty
normal

Find the complement to 20: 16 + __ = 20

Show answer

Answer: 4

SubType
complement-of-10
Total
20
KnownAddend
16
Difficulty
normal

Find the complement to 20: 14 + __ = 20

Show answer

Answer: 6

SubType
complement-of-10
Total
20
KnownAddend
14
Difficulty
normal

__ + 2 = 20

Show answer

Answer: 18

SubType
complement-of-10
Total
20
KnownAddend
2
Difficulty
normal

What number + 1 = 10?

Show answer

Answer: 9

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

__ + 13 = 100

Show answer

Answer: 87

SubType
complement-of-10
Total
100
KnownAddend
13
Difficulty
normal

Find the complement to 100: 19 + __ = 100

Show answer

Answer: 81

SubType
complement-of-10
Total
100
KnownAddend
19
Difficulty
normal

What number + 13 = 20?

Show answer

Answer: 7

SubType
complement-of-10
Total
20
KnownAddend
13
Difficulty
normal

Find the complement to 10: 8 + __ = 10

Show answer

Answer: 2

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

What number + 87 = 100?

Show answer

Answer: 13

SubType
complement-of-10
Total
100
KnownAddend
87
Difficulty
normal

Find the complement to 20: 7 + __ = 20

Show answer

Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal

What number + 97 = 100?

Show answer

Answer: 3

SubType
complement-of-10
Total
100
KnownAddend
97
Difficulty
normal

__ + 8 = 20

Show answer

Answer: 12

SubType
complement-of-10
Total
20
KnownAddend
8
Difficulty
normal

What number + 11 = 20?

Show answer

Answer: 9

SubType
complement-of-10
Total
20
KnownAddend
11
Difficulty
normal

What number + 99 = 100?

Show answer

Answer: 1

SubType
complement-of-10
Total
100
KnownAddend
99
Difficulty
normal

__ + 12 = 20

Show answer

Answer: 8

SubType
complement-of-10
Total
20
KnownAddend
12
Difficulty
normal

__ + 7 = 20

Show answer

Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal

Find the complement to 100: 51 + __ = 100

Show answer

Answer: 49

SubType
complement-of-10
Total
100
KnownAddend
51
Difficulty
normal

__ + 6 = 20

Show answer

Answer: 14

SubType
complement-of-10
Total
20
KnownAddend
6
Difficulty
normal