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National 3 Applications of Mathematics

Ratio Worksheet

Name: __________________________Date: ___________________________Class: __________________________

Answer each question clearly. Show one step of working where you can, then write a final answer.

  1. 1

    Simplify the ratio 16:24:20.

  2. 2

    A map scale is 1 cm:3 km. What real distance is shown by 3 cm?

  3. 3

    The ratio of red counters to blue counters is 3:8. There are 24 red counters. How many blue counters are there?

  4. 4

    A recipe uses 150 g of flour. How much flour is needed to double the recipe?

  5. 5

    Simplify the ratio 21:33.

  6. 6

    A recipe uses flour and oats in the ratio 2:1. How many cups of oats are needed for 10 cups of flour?

  7. 7

    10 counters are shared in the ratio 2:3. How many counters are in each share?

  8. 8

    Share £20.00 in the ratio 2:3.

  9. 9

    Write an equivalent ratio to 5:6 by multiplying each part by 2.

  10. 10

    18 counters are shared in the ratio 2:1. How many counters are in each share?