Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 − 50 by rounding each number to the nearest 10: ______
- Estimate 61 − 32 by rounding each number to the nearest 10: ______
- Estimate 31 + 75 by rounding each number to the nearest 10: ______
- Estimate 32 + 41 by rounding each number to the nearest 10: ______
- Estimate 66 − 73 by rounding each number to the nearest 10: ______
- Estimate 29 + 80 by rounding each number to the nearest 10: ______
- Estimate 59 − 71 by rounding each number to the nearest 10: ______
- Estimate 80 − 58 by rounding each number to the nearest 10: ______
- Estimate 59 + 47 by rounding each number to the nearest 10: ______
- Estimate 78 − 72 by rounding each number to the nearest 10: ______
- Estimate 23 − 71 by rounding each number to the nearest 10: ______
- Estimate 55 − 81 by rounding each number to the nearest 10: ______
- Estimate 58 − 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 52 by rounding each number to the nearest 10: ______
- Estimate 88 − 50 by rounding each number to the nearest 10: ______
- Estimate 50 − 70 by rounding each number to the nearest 10: ______
- Estimate 78 − 76 by rounding each number to the nearest 10: ______
- Estimate 40 + 61 by rounding each number to the nearest 10: ______
- Estimate 52 − 42 by rounding each number to the nearest 10: ______
- Estimate 88 + 21 by rounding each number to the nearest 10: ______