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Mathematics, 23.11.2020 05:40 smartboy2296

Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below. Step 1 7 positive tiles. Step 2 7 positive tiles and 2 negative tiles. Step 3 7 positive tiles and 2 negative tiles. 2 positive and 2 negative tiles are circled. Step 4 7 + (negative 2) = 2 Jillian has made an error. In which step does it occur? Step 1 Step 2 Step 3 Step 4

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Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below. Step 1 7 positive...
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