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This game follows on from Nice or Nasty
Again, there are several games to choose from.
Find a partner and a 1-6 dice, or preferably a 0-9 dice if you have one. The interactivity in Dice and Spinners can be used to simulate throwing different dice.
Take turns to throw the dice and decide which of your cells to fill. This can be done in two ways:
either fill in each cell as you throw the dice or collect all your numbers and then decide where to place them.
Each of you draw an addition grid like this:
Throw the dice nine times each until all the cells are full.
There are two possible scoring systems:
You can vary the target to make it easier or more difficult.
Each of you draw a subtraction grid like this:
Throw the dice eight times each until all the cells are full.
There are two possible scoring systems:
Throw the dice five times each until all the cells are full.
You can vary the target to make it easier or more difficult.
These games are thought provoking and very engaging. They encourage discussion of place value, mental calculations and estimation, alongside valuable strategic mathematical thinking.
These games follow on from Nice or Nasty
Working in teams of two, set the students off on playing Game 1. Depending on your aims for the lesson, offer the simple or more complicated scoring system.
You may want to download and hand out Instruction Sheets and/or Operation Grids/Scoring Sheets
Why are some cells more significant than others?
How do you decide which targets are appropriate?
What are effective strategies for placing the numbers?
If pupils are struggling, they might benefit from trying Dicey Addition. This is a simpler version that uses fewer cells in each game.
Perhaps provide students with number cards that they can move around the grid to consider different options.
Pupils who find estimation difficult could use calculators to check their estimates.
Choose the easiest scoring system or allow calculators for scoring the more difficult version.
Allow pairs of students to play against other pairs, so that they can support each other.
You may wish to move students on to Countdown and Countdown Fractions