Game: Strategise to solve logic problems (partition squares)

Game: Estimate angles to reflect lines

Game: Strategise to solve logic problems (river)

Game: Strategise to solve logic problems (lights)

Create sums with same factor

Use algebraic reasoning to solve problems (complex)

Use algebraic reasoning to solve problems (simple)

Divide whole numbers

Strategise to solve subtraction problems (fractions, like denominators)

Strategise to solve subtraction problems (fractions, related denominators)

Strategise to solve subtraction problems (three terms, three operations)

Riddle: Find all factor pairs (rectangle, grid)

Riddle: Count combinations (animal heads and legs)

Riddle: Count combinations (flowers)

Riddle: Count combinations (matching socks)

Riddle: Find unknowns with algebra (number replacement)

Use process of elimination

Riddle: Count partitions (chocolate bars)

Create composite shapes (complex, with rotation)

Riddle: Estimate area (squares, grid)

Riddle: Find the secret number (addition, multiplication)

Riddle: Find the secret number (divisibility)

Riddle: Find the largest product (digits)

Riddle: Find unknowns with algebra (arithmetic)

Riddle: Find the secret number (factors)

Game: Strategise to solve logic problems (wigs)

Riddle: Model with algebra (siblings)

Riddle: Use backtracking to find a number (four operations)

Riddle: Solve logic puzzles (truths and lies)

Riddle: Calculate area (overlapping squares)

Riddle: Solve logic puzzles (combinations, constraints)

Riddle: Balance two products (crab and coin)

Riddle: Model with algebra (ages)

Riddle: Count events (band)

Riddle: Model with algebra (addition, subtraction, multiplication)

Riddle: Find the lowest common multiple (beads)

Riddle: Solve logic puzzles (truths and lies)

Create and solve two-step equations (four operations)