Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 + 35 by rounding each number to the nearest 10: ______
- Estimate 60 + 62 by rounding each number to the nearest 10: ______
- Estimate 72 + 33 by rounding each number to the nearest 10: ______
- Estimate 39 + 85 by rounding each number to the nearest 10: ______
- Estimate 77 + 21 by rounding each number to the nearest 10: ______
- Estimate 28 − 68 by rounding each number to the nearest 10: ______
- Estimate 77 + 22 by rounding each number to the nearest 10: ______
- Estimate 42 + 39 by rounding each number to the nearest 10: ______
- Estimate 21 − 27 by rounding each number to the nearest 10: ______
- Estimate 80 + 53 by rounding each number to the nearest 10: ______
- Estimate 68 − 57 by rounding each number to the nearest 10: ______
- Estimate 72 + 30 by rounding each number to the nearest 10: ______
- Estimate 62 + 70 by rounding each number to the nearest 10: ______
- Estimate 49 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 48 by rounding each number to the nearest 10: ______
- Estimate 68 − 36 by rounding each number to the nearest 10: ______
- Estimate 80 + 57 by rounding each number to the nearest 10: ______
- Estimate 37 − 47 by rounding each number to the nearest 10: ______
- Estimate 65 − 54 by rounding each number to the nearest 10: ______
- Estimate 69 + 59 by rounding each number to the nearest 10: ______