Level 1
Find the value of 1 unit.
1. 1 u + 5 = 10
2. 5 + 1 u = 10
3. 10 = 1 u - 5
4. 10 = 5 + 1 u
4 m
Level 1
Find the value of 1 unit.
1. 1 u - 5 = 10
2. 10 = 1 u - 5
3. 10 - 1 = 1 u - 5
4. 10 + 1 = 1 u - 5
4 m
Level 1
Find the value of 1 unit.
1. 3 u + 20 = 50
2. 20 + 3 u = 50
3. 5 u - 20 = 30
4. 30 = 5 u - 20
4 m
Level 1
Find the value of 1 unit.
1. 5 u - 20 = 10
2. 5 u - 20 = 1 u
3. 10 = 5 u - 20
4. 1 u = 5 u - 20
4 m
Level 1
Find the value of 1 unit.
1. 5 u + 8 = 1 u + 20
2. 1 u + 20 = 5 u + 8
3. 5 u - 20 = 1 u + 4
4. 1 u + 4 = 5 u - 20
4 m
Level 2
Find the value of 1 unit.
1. 1 u + 8 = 20 - 5 u
2. 20 - 5 u = 1 u + 8
3. 1 u - 10 = 20 - 5 u
4. 20 - 5 u = 1 u - 10
4 m
Level 2
Find the value of 1 unit.
1. 5 u - 20 = 1 u - 8
2. 1 u - 8 = 5 u - 20
3. 8 - 1 u = 20 - 5 u
4. 20 - 5 u = 8 - 1 u
4 m
Level 2
Find the value of 1 unit.
1. 6 u - 15 = 1 - 2 u
2. 1 - 2 u = 6 u - 15
3. 5 u - 2 = 14 - 3 u
4. 14 - 3 u = 5 u - 2
4 m
Level 2
Find the value of 1 unit.
1. 7 u - 20 = 4 u + 10
2. 4 u + 10 = 7 u - 20
3. 4 u - 10 = 1 u + 20
4. 1 u + 20 = 4 u - 10
4 m
Level 3
Fill in the blanks in numbers, units or unit equations.
Adam and Bryan have some stickers.
When Adam gives 15 to Bryan,
the number of stickers he has left is 3 times as many as that of Bryan's.
Let the number of stickers that Bryan has in the end be 1 u.

1. Number of stickers that Adam has in the end = _____
2. Number of stickers that Adam has at first = _____
3. Number of stickers that Bryan has at first = _____
4. If Adam has 40 stickers more than Bryan at first, find 1 u.
4 m