Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 78 by rounding each number to the nearest 10: ______
- Estimate 70 + 79 by rounding each number to the nearest 10: ______
- Estimate 80 + 53 by rounding each number to the nearest 10: ______
- Estimate 61 − 27 by rounding each number to the nearest 10: ______
- Estimate 50 − 48 by rounding each number to the nearest 10: ______
- Estimate 40 − 59 by rounding each number to the nearest 10: ______
- Estimate 52 + 65 by rounding each number to the nearest 10: ______
- Estimate 43 + 87 by rounding each number to the nearest 10: ______
- Estimate 30 − 32 by rounding each number to the nearest 10: ______
- Estimate 72 + 40 by rounding each number to the nearest 10: ______
- Estimate 66 − 75 by rounding each number to the nearest 10: ______
- Estimate 66 − 51 by rounding each number to the nearest 10: ______
- Estimate 72 + 64 by rounding each number to the nearest 10: ______
- Estimate 55 − 21 by rounding each number to the nearest 10: ______
- Estimate 81 − 71 by rounding each number to the nearest 10: ______
- Estimate 52 − 80 by rounding each number to the nearest 10: ______
- Estimate 70 + 36 by rounding each number to the nearest 10: ______
- Estimate 52 − 81 by rounding each number to the nearest 10: ______
- Estimate 70 − 49 by rounding each number to the nearest 10: ______
- Estimate 78 − 73 by rounding each number to the nearest 10: ______