Revision math

1. Arrange the following numbers in order from smallest to largest: 8, 3, 5, 1.

• 3, 1, 8, 5

• 1, 5, 3, 8

• 5, 8, 3, 1

• 1, 3, 5, 8

2. What are the factors of 12?

• 1, 3, 5, 7, 9, 11

• 1, 2, 3, 5, 6, 12

• [1, 2, 3, 4, 6, 12]

• 2, 4, 6, 8, 10, 12

3. List the first five multiples of 4.

• [1, 5, 9, 13, 17]

• [2, 6, 10, 14, 18]

• [4, 8, 12, 16, 20]

• [4, 8, 12, 16, 24]

4. Add the fractions: 1/4 + 2/4.

• 2/3

• 1/2

• 3/4

• 5/4

5. Subtract the fractions: 3/5 - 1/5.

• 2/5

• 3/10

• 1/5

• 4/5

6. Arrange the following numbers in order from largest to smallest: 15, 9, 12, 6.

• 6, 9, 15, 12

• 12, 15, 6, 9

• 15, 12, 9, 6

• 9, 6, 12, 15

7. What are the factors of 18?

• 2, 3, 5, 7, 11, 18

• [1, 2, 3, 6, 9, 18]

• 1, 2, 4, 6, 9, 12

• 3, 5, 6, 9, 10, 18

8. List the first five multiples of 3.

• [1, 2, 3, 4, 5]

• [3, 6, 9, 12, 15]

• [5, 10, 15, 20, 25]

• [2, 4, 6, 8, 10]

9. Add the fractions: 2/6 + 1/6.

• 3/6

• 1/3

• 1/2

• 2/3

10. Subtract the fractions: 5/8 - 3/8.

• 1/2

• 3/8

• 2/8

• 1/4