hard Set 90 Form Exercise

8 = 4 + __

Show answer

Answer: 4

SubType
number-bonds
Total
8
KnownPart
4
MissingPart
4
Difficulty
hard

3 = 2 + __

Show answer

Answer: 1

SubType
number-bonds
Total
3
KnownPart
2
MissingPart
1
Difficulty
hard

4 = 3 + __

Show answer

Answer: 1

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

Complete the number bond: 10 = __ + 7

Show answer

Answer: 3

SubType
number-bonds
Total
10
KnownPart
7
MissingPart
3
Difficulty
hard

Number bond: 2 = ? + 1

Show answer

Answer: 1

SubType
number-bonds
Total
2
KnownPart
1
MissingPart
1
Difficulty
hard

Number bond: 7 = 2 + ?

Show answer

Answer: 5

SubType
number-bonds
Total
7
KnownPart
2
MissingPart
5
Difficulty
hard

Number bond: 7 = ? + 2

Show answer

Answer: 5

SubType
number-bonds
Total
7
KnownPart
2
MissingPart
5
Difficulty
hard

Complete the number bond: 10 = __ + 3

Show answer

Answer: 7

SubType
number-bonds
Total
10
KnownPart
3
MissingPart
7
Difficulty
hard