This video is a quick walkthrough of some popular GCSE maths questions that are worthwhile practicing …. please do
– stop the video
– work through the questions
– compare your solutions
I hope the video helps and please do leave a comment – thanks!
Download a copy of the questions here:
Here’s a copy of the written answers:
1. Work out 5.4 × 0.24
2. The height, H cm, of a table is measured as 72 cm correct to the nearest centimetre. Complete the following statement to show the range of possible values of H.
3. Jane has a carton of orange juice. The carton is in the shape of a cuboid with sides of 6cm, 10cm and 20cm. The depth of the orange juice in the carton is 8 cm.
Jane closes the carton.
Then she turns the carton over so that it stands on the shaded face.
Work out the depth, in cm, of the orange juice now.
4. Write the following numbers in order of size. Start with the smallest number.
0.038 × 10^2, 3800 × 10^–4, 380 and 0.38 × 10^–1
5. Describe fully the single transformation that maps shape A onto shape B.
(x + 2)^2 / x + 2
2a²b × 3a³b
7. Talil is going to make some concrete mix.
He needs to mix cement, sand and gravel in the ratio 1 : 3 : 5 by weight.
Talil wants to make 180 kg of concrete mix.
Talil has 15 kg of cement, 85 kg of sand and 100 kg of gravel.
Does Talil have enough cement, sand and gravel to make the concrete mix?
8. Suha has a full 600 ml bottle of wallpaper remover.
She is going to mix some of the wallpaper remover with water. Here is the information on the label of the bottle. Mix 1/4 of the wallpaper remover with 4500ml of water.
Suha is going to use 750 ml of water.
How many millilitres of wallpaper remover should Suha use? You must show your working.
Here’s the timestamp:
1:20 Decimal multiplication
7:42 Standard form
11:48 Algebra expressions
These types of questions appear in all the main GCSE exam boards – Edexcel, AQA, OCR and Educas – and are fairly common for non calculator papers.
- Always work methodically and show your working
- Why is that information in the first few lines?
- Check your calculations
- Is it a reasonable answer?
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