Number is all about, well, numbers. 

These topics are for GCSE Maths Level. 

It covers; Prime Numbers, Ratios, Lowest Common Factor, Highest Common Factor, Percentages, Fractions, Estimating, Decimals, Standard Index Form, Compound Interest, Surds, Upper & Lower Bounds and much more fun maths type stuff. 

Top Questions

Topics

Calculate proportional changes using a multiplier
B
Calculate using standard index form
B
Calculate with fractions
C
Convert between decimals, fractions and percentages
D
Convert between ordinary and standard index form representations
B
Convert recurring decimals to fractions and fractions to recurring decimals
B
Divide a number by a decimal
C
Estimate answers to calculations
C
Express one quantity as a percentage of another
C
Find the highest common factor (HCF)
C
Find the least common multiple (LCM)
C
Find the minimum and maximum values of a number that has been rounded off
C
Find the reciprocal of a number
C
Find the upper and lower bounds of calculations
A*
Identify recurring and terminating decimals
B
Increase or decrease a quantity by a given percentage
D
Multiply two numbers involving decimals
D
Rationalise the denominator of a surd
A
Round a number off to a given number of significant figures
C
Simplify expressions with surds into the form a + b3
A*
Solve ratio and proportion problems such as sharing out
C
Solve ratio and proportion problems using the unitary method
C
Understand and learn the words: square, positive and negative square root, cube and cube root, learn squares up to 15x15 and cubes up to 5 cubed
D
Understand the effects of multiplying by numbers between 0 and 1
C
Use a calculator correctly and efficiently
C
Use index laws to evaluate any expression involving powers
A*
Use index laws to evaluate simple fractional or negative powers
A
Work out a percentage increase or decrease
C
Work out compound interest
B
Work out reverse percentage problems
B
Write a number as a product of prime factors
C

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