Number Properties

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Number Properties

Number: Interactive Lessons
Square and Cube Numbers
Ages 14 - 16

Square and Cube Numbers

How to work out square and cube numbers using multiplication.
Number: Interactive Lessons
Using Calculator Efficiently
Ages 14 - 16

Using Calculator Efficiently

How to apply the order of operations using a calculator.
Number: Interactive Lessons
Addition and Subtraction with Integers
Ages 14 - 16

Addition and Subtraction with Integers

How to add and subtract with integers using place value.
Number: Interactive Lessons
Order of Operations
Ages 14 - 16

BODMAS and the Order of Operations

How to break down a calculation using the order of operations.
Number: Interactive Lessons
Factors of an Integer
Ages 14 - 16

Factors of an Integer

How to work out the factor pairs of a number.
Number: Interactive Lessons
Multiples of a Number
Ages 14 - 16

Multiples of a Number

How to work out the multiples of a number.
Number: Interactive Lessons
Prime Numbers
Ages 14 - 16

Prime Numbers

How to work out which numbers are prime by their factors.
Number: Interactive Lessons
Square Numbers and Square Roots
Ages 11 - 13

Square Numbers and Square Roots

How to calculate square numbers and roots using written and calculator methods.
Number: Interactive Lessons
Factor Pairs of Numbers and Terms
Ages 11 - 13

Factor Pairs of Numbers and Terms

Students learn how to find all the factor pairs of numbers and terms.
Number: Interactive Lessons
KS3 Year 7 maths lesson slide titled Multiples of Numbers by Mr Mathematics. Features a lowest common multiple word problem about Matthew emptying bins every 5 days and Martin every 7 days, both starting on 5th July, alongside July and August calendar grids.
Ages 11 - 13

Multiples of numbers and expressions

Students learn how to calculate multiples of numbers and expressions.
Number: Interactive Lessons
Finding Prime Numbers
Ages 11 - 13

Finding Prime Numbers

Students discover prime numbers from factor pairs and the Sieve of Eratosthenes.
Number: Interactive Lessons
Finding Prime Factors
Ages 11 - 13

Finding Prime Factors

How to break down a number into its prime factors.
Number: Interactive Lessons
Using Scientific Calculators
Ages 11 - 13

Using Scientific Calculators

Students practise using scientific calculators to calculate with brackets, powers and fractions.
Number: Interactive Lessons
Problem Solving with Timetables
Ages 11 - 13

Problem Solving with Time Tables

Students practise problem solving with time tables using multiplication grids.
Number: Interactive Lessons
Finding the Highest Common Factor
Ages 11 - 13

Finding the Highest Common Factor

How to find the highest common factor of numbers and terms.
Number: Interactive Lessons
A key stage 3 maths number problem-solving puzzle titled Problem Solving with Number. It displays three target totals: 42, 50, and 38, with the prompt to make these numbers three different ways using a custom dartboard. The dartboard contains segments 1, 5, 3, 12, 4, 9, 10, 20, 11, and 7, alongside a key where pink rings indicate double, blue rings indicate triple, and the red bullseye equals 50.
Ages 11 - 13

Problem Solving with Number

Students practise problem solving with number.

Mr Mathematics Blog

Developing Mathematical Thinking Beyond Procedural Fluency

July 10, 2026
A research-backed case exploring why over-reliance on automated math homework platforms and repetitive worksheets lowers student expectations, and how departments can build genuine mathematical thinking.

Converting Between Fractions, Decimals and Percentages

July 4, 2026
How to teach converting between fractions, decimals and percentages.

From Key Skills to Deep Connections: Problem Solving in Secondary Maths

June 28, 2026
Four problem solving lessons to develop student's mathematical reasoning and communication skills.