Number

Worked examples (5)

• 1Working with negative numbers
• 2Using BIDMAS in a calculation
• 3Subtracting a negative number
• 4Multiplying and dividing with signs
• 5A multi-step integer challenge

Worked examples (5)

• 1Reading the value of a digit
• 2Multiplying a decimal by a power of 10
• 3Rounding to decimal places
• 4Rounding to significant figures
• 5Estimating to check a calculation

Worked examples (5)

• 1Listing the factors of a number
• 2Listing multiples of a number
• 3Deciding if a number is prime
• 4Prime factorisation with a factor tree
• 5Finding the HCF and LCM together

Worked examples (5)

• 1Squaring a number
• 2Finding a square root
• 3Cubing a number
• 4Writing a number as a power of 10
• 5Using indices in a calculation

Worked examples (5)

• 1Simplifying a fraction
• 2Ordering decimals
• 3Adding fractions with different denominators
• 4Converting a fraction to a percentage
• 5Finding a percentage of an amount

Worked examples (5)

• 1Writing a ratio
• 2Simplifying a ratio
• 3Sharing an amount in a ratio
• 4Using the unitary method
• 5Scaling a recipe with proportion