Part A

Use mental math to solve the problem 8.02−5.98
.

Question 2
Part B
Explain the method of mental math that you used to find the answer. Be specific with each step you took.

(4 points)

1 answer

Part A: Using mental math to solve 8.02 - 5.98.

To solve this problem using mental math, we can start by subtracting the whole numbers:
8 - 5 = 3

Then, we can subtract the decimal parts:
0.02 - 0.98 = -0.96

So the final answer is 3 - 0.96 = 2.04.