hard Set 21 Form Exercise

Number bond: 2 = ? + 1

Show answer

Answer: 1

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

Complete the number bond: 10 = __ + 2

Show answer

Answer: 8

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

8 = __ + 6

Show answer

Answer: 2

SubType
number-bonds
Total
8
KnownPart
6
MissingPart
2
Difficulty
hard

10 = __ + 2

Show answer

Answer: 8

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

Complete the number bond: 2 = __ + 1

Show answer

Answer: 1

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

Complete the number bond: 7 = __ + 1

Show answer

Answer: 6

SubType
number-bonds
Total
7
KnownPart
1
MissingPart
6
Difficulty
hard

3 = 2 + __

Show answer

Answer: 1

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