Number

Tutorials

Addition Without Carrying

Subtraction (Without “Borrowing”)

Multiplying by 1, 10, 100, 1000

Dividing by 1, 10, 100 and 1,000

Factors and Multiples

Prime Numbers

Prime Factor Decomposition

HCF & LCM (By Listing)

HCF & LCM (Prime Factors)

Rounding Numbers (Nearest 1, 10, 100 & DP)

Rounding to Significant Figures

Estimating Calculations (Simple)

Estimating Calculations (Harder)

Related Calculations

Multiplying Big Numbers & Decimals

Grid Method for Long Multiplication

Ratio (Sharing Questions)

Fractions of an Amount

Percentages of Amounts

Adding & Subtracting Fractions

Multiplying Fractions

Converting From Improper Fractions to Mixed Numbers

Reverse Percentages

Year 9 Mixed Numbers to Improper Fractions

Simple Proportion

BIDMAS Revision

Lattice Method for Long Multiplication

Subtracting Fractions

Factors

Adding Fractions (Level 5)

Adding Fractions (Different Denominators)

Simplifying Fractions

Fractions and Percentages

Reverse Fractions