CoreX Math | Numbers Core

Numbers Core Subtopics

Types of Numbers

Natural, integers, primes, squares, cubes, rational and irrational numbers.

Sets

Set notation, elements, subsets, complements and simple Venn diagrams.

Powers & Roots

Squares, cubes and their roots in mental and written calculations.

Fractions, Decimals & Percentages

Converting between forms and solving calculations in real-life contexts.

Ordering

Ordering integers, decimals, fractions and percentages using symbols.

The Four Operations

Addition, subtraction, multiplication, division and BIDMAS.

Standard Form

Writing large and small numbers as A × 10n and using them in calculations.

Rounding & Estimation

Rounding to dp and sig figures; estimating sensible answers.

Limits of Accuracy

Upper and lower bounds for measurements rounded to given units.

Ratio & Proportion

Simplifying ratios and solving proportional word problems.

Rates

Everyday rates such as speed, pay and currency exchange.

Percentages

Percentage of amounts, profit/loss, and simple interest.

Using Calculator

Efficient calculator use and correct rounding of final answers.

Time

12h/24h time, timetables and calculating time differences.

Money

Everyday money problems, bills and currency conversion.