estimate each sum or difference.

22.8+49.2+1.7

23 + 50 = ?

estimate the sum or difference.

$9.10+$48.50+$5.99

9 + 50 + 6 = ?

1.73.7

2.63.59

Mathhater -- you did't read the directions that instruct the student to ESTIMATE.

5 thirds

To estimate the sum of 22.8 + 49.2 + 1.7, you can round the numbers to the nearest whole number and then perform the addition.

Step 1: Round each number to the nearest whole number:
22.8 ≈ 23
49.2 ≈ 49
1.7 ≈ 2

Step 2: Add the rounded numbers together:
23 + 49 + 2 = 74

Therefore, the estimated sum of 22.8 + 49.2 + 1.7 is approximately 74.