Question 6 • Pre-Algebra - MA3119 A ? Distance Learning
To model –5(–2), use the negative 5 to mean remove 5 groups, with 2 negative tiles in each group. Since the window starts without enough negative tiles to remove, first drag in zero pairs; then remove the 5 groups of –2 tiles. Removing 10 negative tiles leaves 10 positive tiles, so the product is +10.
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