Example 1
Joe was asked by a stranger to find the answer to the arithmetic problem:
8 + 5 × 2
Joe wrote the following:
8 + 5 × 2 = 13 × 2 = 26
What did Joe do wrong (other than talking to a stranger, of course)? What should the answer be?
Example 2
Beth was asked to find 4 – (3 – 5)2. Beth wrote the following:
4 – (-2)2 = 4 – (-4) = 8
What did Beth do wrong? What should the answer be?
Example 3
What is ?
Example 4
What is ?
Example 5
What is ?
Example 6
What is (3 + 2 – 1)3 – (-7 + 3)2 × 8?