1/2 unit, 1/4 unit,

Unit 1 1 (1) 3 (1) - 4 (2)

2. Unit 2 1 (2) 3 (2) 4 (1) 6(1) 18 (6)

3. Unit 3 1 (1) 3 (1) 4 (2) 6 (1) 18 (5)

4. Unit 4 1 (1) 3 (1) 6 (1) 10 (3)

5. Unit 6 - 3 (3) 6 (1) 15 (4)

6. Unit 7 1 (2) - 6 (1) 8 (3)

7. Unit 8 1 (2) 4 (1) 6 (1) 12 (4)

8. Unit 9 - 4 (2) - 8 (2)

9 Unit 10 1 (1) 3 (2) - 7 (3)

Sub-Total 10 (10) 30 (10) 24 (6) 36 (6)

2/4 = 1/2

A unit fraction is a fraction whose numerator is 1: for example, 1/2, 1/3, 1/4 et cetera.

1 meter in 2 and 1/3 seconds