Mathematics, 25.11.2020 19:10 lasardia

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) = 2Jillian has made an error. In which step does it occur?
Step 1
Step 2
Step 3
Step 4

Answers: 2

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