Trinity - Maths (Topic Index

Number

Mathaxians: A game to help learn times tables.
Scale: An interactive scale to help with scale reading and linear sequences.
Equivalent Questions: Finding the missing number to give the same answers. E.g. 12 + 23 = 18 + ? or 12 × 4 = ? × 8.
Equivalent Questions 2: Finding the missing number to give the same answers. Harder questions.
Highest Common Factors: Find the HCF of two numbers.
Multiplication Tables: Random questions.
Multiplication Tables Match Up: Matching game.
Multiplication Tables Loop Cards: Create and print a set of cards.

Directed Number Aritmetic: Adding and subtracting negative numbers. E.g. 5 + -2 = 3.
Directed Number Aritmetic 2: Multiplying and dividing negative numbers. E.g. 5 × -2 = -10.
Directed Numbers - Puzzle Tables: Find the missing numbers.
What Do I Add or Subtract?: E.g. What do I add to 11 to get 5?

Estimating Using 1 Significant Figure: Estimating the answers to calculations by rounding each number to 1sf.

Powers of 10: Multiplying and dividing by 10, 100, 0.1, 0.01 etc.
Squares and Cubes: Square numbers from 1² to 20² and cube numbers from 1³ to 10³.
Squares and Cubes Match Up: Match whole numbers with their squares and cubes.
Standard Form: Writing numbers in standard form.
Standard Form (Whole Number Bases): Writing numbers in standard form. E.g. 3 × 10⁴.
Standard Form Match Up: Match numbers with their equivalents in standard form.
Standard Form Products: Multiplying numbers in standard form.
Standard Form Quotients: Dividing numbers in standard form.

Counter: An interactive counter to help with writing numbers and understanding place value.
CounterAttack!: A game to help with reading numbers.

Equivalent Fractions: A couple of examples looking at relationships between equivalent fractions.
Fraction Arithmetic: Addition and Subtraction.
Fraction Match!: A game pairing equivalent fractions.
Simplifying Fractions: Write fractions in their simplest form.

Fractions & Decimals: Converting between fractions and decimals without a calculator.
Fraction Decimal Match!: A game matching fractions with decimals.
Fraction Percentage Match!: A game matching fractions with percentages.
Percentage Decimal Match!: A game matching percentages with decimals.
Fraction Decimal Percentage Match!: A game matching fractions, decimals and percentages.

Percentage Change: Random question table on percentage change, including reverse percentages.
Percentages Gallery: Examples of percentages and calculator methods.
Percentages and Percentage Change: Random questions. Choosing the right method.
Repeated Percentage Change: Random questions on repeated percentage change.
Reverse Percentages: Random questions on finding original values.