Everyday maths 2 (Wales)
Everyday maths 2 (Wales)

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

Free course

Everyday maths 2 (Wales)

1.3 Dealing with decimals

We often deal with decimals in everyday life, for example, calculations involving money.

Try the following (without a calculator) to check your skills. For this activity, you will need to give your answers in full and only round or adjust your answer if required. If you need a reminder about how to carry out any of the calculations, please refer back to Everyday maths 1.

Activity 5: Calculations with decimals

  1. 54.865 + 4.965 + 23.519

  2. 6.938 − 5.517

  3. 25 + 0.258

  4. 54 − 0.65

  5. 5.632 × 2.4

  6. 1.542 × 1.9

  7. 42.4 ÷ 4

  8. 39.45 ÷ 1.5

  9. 0.48 ÷ 0.025

  10. A factory orders 425 gaskets that weigh 2.3 g each. What is the total weight of the gaskets?

  11. A dispenser holds 15.5 litres of water. How many full 0.2 litre cups of water can you get from one dispenser?

  12. Ahmed and Lea take part in the long jump. Their results are as follows:

    • Ahmed 5.501 m

      Lea 5.398 m

      Who jumped furthest and by how much?

Answer

  1. 83.349

  2. 1.421

  3. 25.258

  4. 53.35

  5. 13.5168

  6. 2.9298

  7. 10.6

  8. 26.3

  9. 19.2

  10. 977.5 g

  11. 77.5 (77 full cups)

  12. Ahmed jumped the furthest by 0.103 m

Summary

In this section you have:

  • recapped how to carry out calculations with whole numbers and decimals

  • learned to adjust answers where needed

  • learned how to express a remainder as a decimal.

FSM_2_CYMRU

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has 50 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to University-level study, we offer two introductory routes to our qualifications. You could either choose to start with an Access module, or a module which allows you to count your previous learning towards an Open University qualification. Read our guide on Where to take your learning next for more information.

Not ready for formal University study? Then browse over 1000 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus371