Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 27 − 89 by rounding each number to the nearest 10: ______
- Estimate 55 + 40 by rounding each number to the nearest 10: ______
- Estimate 80 − 87 by rounding each number to the nearest 10: ______
- Estimate 69 + 40 by rounding each number to the nearest 10: ______
- Estimate 45 + 82 by rounding each number to the nearest 10: ______
- Estimate 75 − 72 by rounding each number to the nearest 10: ______
- Estimate 58 − 75 by rounding each number to the nearest 10: ______
- Estimate 84 + 72 by rounding each number to the nearest 10: ______
- Estimate 70 − 32 by rounding each number to the nearest 10: ______
- Estimate 30 + 30 by rounding each number to the nearest 10: ______
- Estimate 69 + 73 by rounding each number to the nearest 10: ______
- Estimate 33 + 35 by rounding each number to the nearest 10: ______
- Estimate 32 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 − 48 by rounding each number to the nearest 10: ______
- Estimate 22 − 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 37 by rounding each number to the nearest 10: ______
- Estimate 68 − 50 by rounding each number to the nearest 10: ______
- Estimate 54 − 40 by rounding each number to the nearest 10: ______
- Estimate 22 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 + 88 by rounding each number to the nearest 10: ______