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Mathematics, 17.01.2020 15:31 skaterwolf1317

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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