What topics are in GCSE Maths Edexcel?

What topics are in GCSE Maths Edexcel?

The content of our GCSE Mathematics specification has been grouped into topic areas: Number; Algebra; Ratio, proportion and rates of change; Geometry and measures, Probability; Statistics.

How do I calculate ratios?

Divide data A by data B to find your ratio. In the example above, 5/10 = 0.5. Multiply by 100 if you want a percentage. If you want your ratio as a percentage, multiply the answer by 100.

How do you do ratios in maths?

To calculate the ratio of an amount we divide the amount by the total number of parts in the ratio and then multiply this answer by the original ratio. We want to work out $20 shared in the ratio of 1:3. Step 1 is to work out the total number of parts in the ratio. 1 + 3 = 4, so the ratio 1:3 contains 4 parts in total.

How do you do ratios in math step by step?

We follow the 3 steps above to work out the ratio.

1. Step 1: Find the total number of parts. Looking at the ratio 1:3, we have:
2. Step 2: Divide the amount by the total number of parts. The amount is $20 and the total number of parts is 4.
3. Step 3: Multiply each number in the ratio by the value of one part.

How many GCSE Edexcel maths papers are there?

three
Pearson Edexcel Level 1/Level 2 GCSE (9–1) in Mathematics The qualification consists of three equally-weighted written examination papers at either Foundation tier or Higher tier. All three papers must be at the same tier of entry and must be completed in the same assessment series.

How do you do ratios on a calculator?

Press the divide button, enter the greatest common factor and press the equals button. Write this number down. In this example, you work out 84 ÷ 12 = 7. Express your ratio using the number in Step 3 and the number in Step 5.

Which is an example of a ratio in maths?

– Ratio in context – Edexcel – GCSE Maths Revision – Edexcel – BBC Bitesize What is a ratio? Ratios are used to show how things are shared. For example, the necklace in the image has a pattern of two red beads for every three yellow beads. The ratio of red beads to yellow beads is \\ (2:3\\).

What do you need for linear Maths in GCSE?

Edexcel GCSE Mathematics (Linear) –1MA0 RATIO Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. Tracing paper may be used. Instructions Use black ink or ball-point pen.

When to use a ratio instead of a fraction?

We often use a ratio (instead of a fraction) when we are trying to show how things are shared out or in any situation where we might use Scale Factors. One less obvious place to use Ratios is when dealing with Currency Conversion problems – see separate Notes on Exchange Rates.

What is the ratio of girls to boys in Year 8?

In Year 8 the ratio of girls to boys is 1 : 3 There are 300 students in Year 8. (b) Work out the number of girls in Year 8. (3) (5 marks) 8. Ann and Bob shared £240 in the ratio 3 : 5 Ann gave a half of her share to Colin. Bob gave a tenth of his share to Colin.