Thanks to Camp Hill Primary School Bendigo, MAV presentation, 2015.

**Learning Objective:**

Use the four processes to calculate numbers below 20.

**Intended Outcome:**

Accurate and strategic use of calculations.

**Materials:**

- 2 × ten-sided dice

**Game Objective:**

To cross off four numbers in a row.

**Instructions:**

This game is to be played in pairs or small groups.

- Each player writes the numbers 1–20 on their page.
- First player rolls the two dice and uses the two numbers with any process to make an equation. They can then cross that total off their list of numbers.
- Players take it in turns to roll the dice and calculate, and cross off numbers.
- First player to cross off four numbers in a row wins!

**Variations:**

- Use a hundreds chart and three ten-sided dice to create the numbers.
- Use processes with all three numbers on the dice e.g. ‘2 × 6 + 7 = 19’.
- Or, put two numbers together to make a two-digit number and insert an operation (+, –, ×, or ÷) before the third, e.g. ‘67 – 2 = 65’.
- Cross off four numbers in a row horizontally, vertically, or diagonally.

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