Question

Maya is showing her work in simplifying (5.2 − 4.5) − 5.5 + 4.8. Identify any error in her work or reasoning.

Step 1: (5.2 − 4.5) − 5.5 + 4.8
Step 2: 5.2 + (− 4.5 − 5.5) + 4.8 (identity property)
Step 3: 5.2 − 10 + 4.8
Step 4: 5.2 + 4.8 − 10 (commutative property)
Step 5: 10 − 10 = 0

Answer 1

step 2 is not identity property. it is associative

Answer 2

otherwise, it is fine

Answer 3

thanks:)

Answer 4

anytime :)

Answer 5

do you know how to give medals?