Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 + 49 by rounding each number to the nearest 10: ______
- Estimate 85 − 89 by rounding each number to the nearest 10: ______
- Estimate 56 + 41 by rounding each number to the nearest 10: ______
- Estimate 48 − 70 by rounding each number to the nearest 10: ______
- Estimate 68 − 67 by rounding each number to the nearest 10: ______
- Estimate 43 − 69 by rounding each number to the nearest 10: ______
- Estimate 38 − 54 by rounding each number to the nearest 10: ______
- Estimate 77 − 88 by rounding each number to the nearest 10: ______
- Estimate 48 − 76 by rounding each number to the nearest 10: ______
- Estimate 64 + 81 by rounding each number to the nearest 10: ______
- Estimate 70 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 − 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 68 by rounding each number to the nearest 10: ______
- Estimate 37 − 21 by rounding each number to the nearest 10: ______
- Estimate 57 + 48 by rounding each number to the nearest 10: ______
- Estimate 80 − 39 by rounding each number to the nearest 10: ______
- Estimate 52 − 61 by rounding each number to the nearest 10: ______
- Estimate 80 − 41 by rounding each number to the nearest 10: ______
- Estimate 70 − 30 by rounding each number to the nearest 10: ______
- Estimate 51 − 57 by rounding each number to the nearest 10: ______