Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 70 by rounding each number to the nearest 10: ______
- Estimate 56 + 71 by rounding each number to the nearest 10: ______
- Estimate 76 + 88 by rounding each number to the nearest 10: ______
- Estimate 78 − 53 by rounding each number to the nearest 10: ______
- Estimate 50 + 39 by rounding each number to the nearest 10: ______
- Estimate 70 + 89 by rounding each number to the nearest 10: ______
- Estimate 86 + 25 by rounding each number to the nearest 10: ______
- Estimate 86 + 62 by rounding each number to the nearest 10: ______
- Estimate 76 + 80 by rounding each number to the nearest 10: ______
- Estimate 65 − 84 by rounding each number to the nearest 10: ______
- Estimate 27 + 44 by rounding each number to the nearest 10: ______
- Estimate 67 − 48 by rounding each number to the nearest 10: ______
- Estimate 55 − 70 by rounding each number to the nearest 10: ______
- Estimate 77 − 36 by rounding each number to the nearest 10: ______
- Estimate 32 + 44 by rounding each number to the nearest 10: ______
- Estimate 28 + 78 by rounding each number to the nearest 10: ______
- Estimate 37 − 52 by rounding each number to the nearest 10: ______
- Estimate 63 − 87 by rounding each number to the nearest 10: ______
- Estimate 21 − 81 by rounding each number to the nearest 10: ______
- Estimate 27 + 48 by rounding each number to the nearest 10: ______