Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 32 by rounding each number to the nearest 10: ______
- Estimate 72 + 36 by rounding each number to the nearest 10: ______
- Estimate 53 − 45 by rounding each number to the nearest 10: ______
- Estimate 55 + 26 by rounding each number to the nearest 10: ______
- Estimate 32 + 68 by rounding each number to the nearest 10: ______
- Estimate 36 − 61 by rounding each number to the nearest 10: ______
- Estimate 73 − 78 by rounding each number to the nearest 10: ______
- Estimate 38 + 45 by rounding each number to the nearest 10: ______
- Estimate 77 − 59 by rounding each number to the nearest 10: ______
- Estimate 69 + 87 by rounding each number to the nearest 10: ______
- Estimate 81 − 48 by rounding each number to the nearest 10: ______
- Estimate 21 − 40 by rounding each number to the nearest 10: ______
- Estimate 72 + 71 by rounding each number to the nearest 10: ______
- Estimate 29 − 72 by rounding each number to the nearest 10: ______
- Estimate 39 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 + 65 by rounding each number to the nearest 10: ______
- Estimate 43 − 87 by rounding each number to the nearest 10: ______
- Estimate 85 − 85 by rounding each number to the nearest 10: ______
- Estimate 81 − 26 by rounding each number to the nearest 10: ______
- Estimate 54 + 29 by rounding each number to the nearest 10: ______