Question

Simone wrote that 2 + 5.8 = 6.

Use the drop-down menus to explain why 6 is incorrect.

Answer 1

2 + 5.8 cannot be 6 because 2 + 5.8 is 7.8.

Six is a correct sum to the expression 0.2 + 5.8, not 2 + 5.8.