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Practise and consolidate factors of numbers and multiplication facts with this array-based Grid Game.
Pairs
Grid paper, coloured pencils, dice.
To colour the most squares on the grid.
Roll larger numbers
Use several six-sided dice to roll larger total numbers or use dice that roll larger numbers (e.g. a 20-sided dice). Use this to consolidate factor pairs of larger numbers.
Increase the number of players
See how quickly the grid paper fills up when 3 or 4 players are involved. Use this for shorter games or when playing on a large grid.
Use multiple arrays
Allow players to split the rolled number into 2 or 3 smaller arrays. For example, a player could represent 18 by drawing a 1 x 6 array and a 2 x 6 array. Players should not split a number into 1 x 1 arrays. Use this to consolidate the distributive property.
Add double or triple point sections
Split the grid paper into 2 or 3 different sections using a marker or by folding the paper. Label each section as double or triple points. Any arrays that are drawn within these sections get double or triple points. Use this to increase the difficulty of the original game.
After all games are complete, encourage students to share and compare strategies and findings. Use these questions to encourage discussion: