Number

Place Value

• NRICH – Nice or Nasty (1* challenge). Dice and partner needed.
• Open Middle – Place Value

Addition (Integer)

• Don Steward – Addition Tasks
• NRICH – Forwards and Backwards (1* challenge)
• NRICH – Consecutive Seven (1* challenge)
• NRICH – Number Daisy (1* challenge)
• NRICH – Overlaps (1* challenge)
• NRICH – Cryptarithms (1* challenge)
• NRICH – Arithmagons – Interactive task (1* challenge)
• NRICH – What Numbers Can We Make? (1* challenge)
• NRICH – Magic Letters (1* challenge)
• NRICH – Two and Two (2* challenge)
• NRICH – Difference Sudoku (3* challenge)
• Youcubed – How Close to 100? Pair activity.
• Open Middle – Sum to 1000

Subtraction (Integer)

• NRICH – Making a Difference (1* challenge)
• New Zealand Maths – The 500 Problem
• Open Middle – Subtraction

Multiplication (Integer)

• NRICH – Multiplication Arithmagons – Interactive task (2* challenge)
• Don Steward – Multiplication tasks
• Open Middle – Multiplying two digit numbers task

Division (Integer)

• Don Steward – Division Tasks
• NRICH – Dozens – divisibility tests (1* challenge)
• NRICH – Legs Eleven (2* challenge). Links to place value and divisibility tests.
• NRICH – Expenses (2* challenge).
• Open Middle – Division Fill in the Blanks task

Four Operations – Mixed (Integer)

• NRICH – Countdown – worth varying the difficulty level to make it more challenging (1* challenge)
• NRICH – Number operations and calculation methods – short problems (1*-3* challenges)
• NRICH – Where Can We Visit? (2* challenge)
• NRICH – Differences (3* challenge)
• Youcubed – The Four Fours
• New Zealand Maths – My Dogs
• New Zealand Maths – Darts Game
• Open Middle – Adding Multiples
• Open Middle – Add some, subtract some
• Don Steward – Practice Makes Perfect arithmetic practice

Directed Numbers

• Durham Maths Mysteries – Directed Numbers
• Don Steward – Add/Take Directed Numbers tasks
• Don Steward – Multiply Directed Numbers tasks
• Don Steward – all Directed Numbers tasks
• NRICH – Connect Three – adding and subtracting negatives, interactive pair game (2* challenge)
• NRICH – Weights – adding and subtracting negatives (2* challenge)
• NRICH – Consecutive Negative Numbers – adding and subtracting negatives (3* challenge)

Order of Operations

• NRICH – Can You Make 100?
• Don Steward – BIDMAS resources
• Open Middle – Adding Multiples
• Open Middle – Order of Operations 3

Factors and Multiples

• Don Steward – Multiples tasks
• NRICH – Factors, Multiples and Primes – Short Problems (1* – 3* challenges)
• NRICH – Factors and Multiples Game – pair activity (1* challenge)
• NRICH – Factors and Multiples Puzzle (1* challenge)
• NRICH – Satisfying Statements (1* challenge)
• NRICH – Elevenses (1* challenge)
• NRICH – Multiple Surprises (1* challenge)
• NRICH – Multiples Sudoku (1* challenge)
• NRICH – Product Sudoku (2* challenge)
• NRICH – Always a Multiple? Access to internet needed to watch video (2* challenge)
• NRICH – Funny Factorisation (2* challenge)
• NRICH – Counting Factors (2* challenge)
• NRICH – Remainders (2* challenge)

Prime Numbers

• NRICH – Factors, Multiples and Primes – Short Problems (1* – 3* challenges)
• NRICH – Sieve of Eratosthenes (1* challenge)
• Open Middle – Prime Numbers task

Ratio and Proportion

• Durham Maths Mysteries – Ratio and Proportion
• Don Steward – Ratio and rectangles tasks
• Don Steward – Best Buys tasks
• Miss B’s Resources – Functional Skills – Best Buys
• NRICH – Ratio, Proportion and Rates of Change – Short Problems (1* – 3* challenges)
• NRICH – Mixing Lemonade – interactive ratio task (1* challenge)
• NRICH – Mixing Paint – ratio task – can be used interactively (2* challenge)
• NRICH – Mixing More Paints – ratio task – can be used interactively (KS4 3* challenge)
• NRICH – Triathlon and Fitness – proportion and speed task (2* challenge)

Fractions

• Mr Barton’s Rich Task – Fraction Arrangement 
• Don Steward – Adding fractions
• Don Steward – Subtracting fractions
• Don Steward – Multiplying Mixed Numbers
• NRICH – Fractions Jigsaw – card sort activity (1* challenge)
• NRICH – Diminishing Returns (1* challenge)
• NRICH – Keep it Simple (1* challenge)
• NRICH – Farey Sequences (2* challenge)
• NRICH – Peaches Today, Peaches Tomorrow (2* challenge)
• NRICH – Fair Shares? (KS4 2* challenge)
• NRICH – Ben’s Game (3* challenge)

Decimals

• Don Steward – Decimal Place Value tasks
• Don Steward – Decimal Scales tasks
• Don Steward – Decimal Addition tasks
• Don Steward – Decimal Subtraction tasks
• Don Steward – Decimal Multiplication tasks
• Don Steward – Decimal Division tasks
• Don Steward – Recurring Decimals tasks
• NRICH – Terminating or not (2* challenge)
• NRICH – Repetitiously (KS4 2* challenge)
• NRICH – Tiny Nines – access to video needed (KS4 2* challenge)

Percentages

• NRICH – CD Heaven (KS4 2* challenge)
• NRICH – Dating Made Easier (KS4 3* challenge)
• NRICH – The Legacy (KS4 2* challenge)
• Don Steward – Percentages of an Amount resources

FDP Conversion

• NRICH – Matching Fractions, Decimals and Percentages – card sort task (1* challenge)
• NRICH – Fractions and Percentages Card Game – card sort task (1* challenge)
• NRICH – Doughnut Percents – group activity (2* challenge)

Surds

• Resourceaholic Surds Problem Set
• NRICH – The Root of the Problem
• Don Steward – Pythagoras and Surd Forms task
• Don Steward – Surd Multiplications and Powers
• Don Steward – Powers of Phi task

Powers and Roots

• Resourceaholic Indices Problem Set
• Open Middle – Perfect Squares task 
• Don Steward – Powers tasks
• Don Steward – Square numbers tasks
• NRICH – Sticky Numbers – square numbers (1* challenge)
• NRICH – Pocket Money – powers of 2 (1* challenge)
• NRICH – Power Mad (2* challenge)
• NRICH – Power Countdown – a twist on the classic game (KS4 1* challenge)
• NRICH – Powers and roots – short problems (2*-3* challenges)

Standard Form

• NRICH – Standard Index Form Matching – interactive game (KS4 1* challenge)
• NRICH – A Question of Scale – interactive game (KS4 2* challenge)
• Don Steward – Hairy Thoughts standard form task

Rounding and Estimation

• NRICH – Place Your Orders – Fermi estimation style questions (1* challenge)
• NRICH – Thousands and Millions – Fermi estimation style questions (2* challenge)
• Don Steward – Estimation tasks
• Don Steward – Rounding to powers of 10 tasks