Chapter 3 – Number: fractions, decimals and percentages

Consider the following statements and click to reveal the answer.

1. Reduce these fractions to their simplest forms:

ch_3-1.jpg

Answer:

ch_3-2.jpg

2. What are the answers to: 

ch_3-3.jpg

Answer:

ch_3-4.jpg

3. Convert the following to percentages:

ch_3-5.jpg

Answer:

ch_3-6.jpg

4. Calculate the following:

(a) The VAT (at 20%) on £68 (b) 75% of 24 (c) 60% of 80

Answer:

ch_3-7.jpg

5. Solve the following inequalities:

  (a) 3x ≥ 15 (b) −3x ≥ 9 (c) 4x + 3 < 18

Answer:

ch_3-8.jpg

6. Write down the following in standard form:

    (a) 300 (b) 328 000 (c) 7942.8 (d) 0.259

Answer:

ch_3-9.jpg