Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 − 59 by rounding each number to the nearest 10: ______
- Estimate 77 + 22 by rounding each number to the nearest 10: ______
- Estimate 75 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 + 51 by rounding each number to the nearest 10: ______
- Estimate 23 + 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 52 by rounding each number to the nearest 10: ______
- Estimate 42 + 53 by rounding each number to the nearest 10: ______
- Estimate 59 − 48 by rounding each number to the nearest 10: ______
- Estimate 50 − 82 by rounding each number to the nearest 10: ______
- Estimate 66 + 21 by rounding each number to the nearest 10: ______
- Estimate 29 − 60 by rounding each number to the nearest 10: ______
- Estimate 56 − 65 by rounding each number to the nearest 10: ______
- Estimate 21 − 30 by rounding each number to the nearest 10: ______
- Estimate 25 − 40 by rounding each number to the nearest 10: ______
- Estimate 82 + 78 by rounding each number to the nearest 10: ______
- Estimate 87 + 34 by rounding each number to the nearest 10: ______
- Estimate 77 − 72 by rounding each number to the nearest 10: ______
- Estimate 38 − 47 by rounding each number to the nearest 10: ______
- Estimate 27 + 35 by rounding each number to the nearest 10: ______
- Estimate 25 − 66 by rounding each number to the nearest 10: ______