# Dividing by 1, 10, 100 and 1,000

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Dividing by 1, 10, 100 and 1,000
Multiplying by 1, 10, 100, 1000
Subtraction (Without “Borrowing”)
Addition Without Carrying
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)
Multiplying Big Numbers & Decimals
Grid Method for Long Multiplication
Ratio (Sharing Questions)
Fractions of an Amount
Percentages of Amounts
Adding & Subtracting Fractions
BIDMAS Revision
Simple Proportion
Lattice Method for Long Multiplication
Subtracting Fractions
Trial and Improvement