hard Set 20 Form Exercise

Number bond: 4 = ? + 2

Show answer

Answer: 2

SubType
number-bonds
Total
4
KnownPart
2
MissingPart
2
Difficulty
hard

Number bond: 5 = ? + 3

Show answer

Answer: 2

SubType
number-bonds
Total
5
KnownPart
3
MissingPart
2
Difficulty
hard

6 = __ + 3

Show answer

Answer: 3

SubType
number-bonds
Total
6
KnownPart
3
MissingPart
3
Difficulty
hard

Number bond: 2 = 1 + ?

Show answer

Answer: 1

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

Complete the number bond: 10 = 8 + __

Show answer

Answer: 2

SubType
number-bonds
Total
10
KnownPart
8
MissingPart
2
Difficulty
hard

3 = 2 + __

Show answer

Answer: 1

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

10 = 4 + __

Show answer

Answer: 6

SubType
number-bonds
Total
10
KnownPart
4
MissingPart
6
Difficulty
hard

Number bond: 6 = ? + 2

Show answer

Answer: 4

SubType
number-bonds
Total
6
KnownPart
2
MissingPart
4
Difficulty
hard