easy Set 30 Form Exercise

__ + 84 = 100

Show answer

Answer: 16

SubType
complement-of-10
Total
100
KnownAddend
84
Difficulty
normal

What number + 2 = 20?

Show answer

Answer: 18

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

Find the complement to 100: 15 + __ = 100

Show answer

Answer: 85

SubType
complement-of-10
Total
100
KnownAddend
15
Difficulty
normal

__ + 10 = 100

Show answer

Answer: 90

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

Find the complement to 100: 21 + __ = 100

Show answer

Answer: 79

SubType
complement-of-10
Total
100
KnownAddend
21
Difficulty
normal

Find the complement to 10: 4 + __ = 10

Show answer

Answer: 6

SubType
complement-of-10
Total
10
KnownAddend
4
Difficulty
normal

__ + 2 = 20

Show answer

Answer: 18

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

What number + 8 = 20?

Show answer

Answer: 12

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

Find the complement to 10: 3 + __ = 10

Show answer

Answer: 7

SubType
complement-of-10
Total
10
KnownAddend
3
Difficulty
normal

__ + 1 = 10

Show answer

Answer: 9

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

What number + 9 = 20?

Show answer

Answer: 11

SubType
complement-of-10
Total
20
KnownAddend
9
Difficulty
normal

What number + 7 = 10?

Show answer

Answer: 3

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

What number + 55 = 100?

Show answer

Answer: 45

SubType
complement-of-10
Total
100
KnownAddend
55
Difficulty
normal

What number + 13 = 20?

Show answer

Answer: 7

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

What number + 64 = 100?

Show answer

Answer: 36

SubType
complement-of-10
Total
100
KnownAddend
64
Difficulty
normal

__ + 12 = 20

Show answer

Answer: 8

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

What number + 6 = 10?

Show answer

Answer: 4

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

What number + 44 = 100?

Show answer

Answer: 56

SubType
complement-of-10
Total
100
KnownAddend
44
Difficulty
normal

__ + 29 = 100

Show answer

Answer: 71

SubType
complement-of-10
Total
100
KnownAddend
29
Difficulty
normal