Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 70 by rounding each number to the nearest 10: ______
- Estimate 87 − 46 by rounding each number to the nearest 10: ______
- Estimate 62 − 50 by rounding each number to the nearest 10: ______
- Estimate 56 + 41 by rounding each number to the nearest 10: ______
- Estimate 78 − 78 by rounding each number to the nearest 10: ______
- Estimate 52 + 64 by rounding each number to the nearest 10: ______
- Estimate 55 − 49 by rounding each number to the nearest 10: ______
- Estimate 22 − 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 27 by rounding each number to the nearest 10: ______
- Estimate 40 + 39 by rounding each number to the nearest 10: ______
- Estimate 41 + 43 by rounding each number to the nearest 10: ______
- Estimate 63 − 49 by rounding each number to the nearest 10: ______
- Estimate 22 − 59 by rounding each number to the nearest 10: ______
- Estimate 59 + 41 by rounding each number to the nearest 10: ______
- Estimate 69 − 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 80 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 80 + 57 by rounding each number to the nearest 10: ______
- Estimate 77 + 44 by rounding each number to the nearest 10: ______
- Estimate 68 − 65 by rounding each number to the nearest 10: ______