Guadalupe Lamb

Mathematics

26 September, 17:02

11 + (3) (9)

Step 1: 11 + (9) (3)

Step 2: (11 + 9) (3)

Step 3: 20 (3)

Step 4: 60

Analyze the work to find the error.

O In Step 1, the commutative property of

multiplication was not done correctly

O In Step 2, the associative property cannot regroup

addition and multiplication

O In Step 3, the multiplication must be done first

In Step 4, the product is incorrect