Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 65 by rounding each number to the nearest 10: ______
- Estimate 22 + 76 by rounding each number to the nearest 10: ______
- Estimate 60 + 48 by rounding each number to the nearest 10: ______
- Estimate 21 + 36 by rounding each number to the nearest 10: ______
- Estimate 29 − 84 by rounding each number to the nearest 10: ______
- Estimate 65 + 55 by rounding each number to the nearest 10: ______
- Estimate 79 − 56 by rounding each number to the nearest 10: ______
- Estimate 34 + 58 by rounding each number to the nearest 10: ______
- Estimate 21 − 58 by rounding each number to the nearest 10: ______
- Estimate 39 − 51 by rounding each number to the nearest 10: ______
- Estimate 59 − 82 by rounding each number to the nearest 10: ______
- Estimate 30 + 61 by rounding each number to the nearest 10: ______
- Estimate 24 + 73 by rounding each number to the nearest 10: ______
- Estimate 80 + 88 by rounding each number to the nearest 10: ______
- Estimate 38 + 33 by rounding each number to the nearest 10: ______
- Estimate 56 − 89 by rounding each number to the nearest 10: ______
- Estimate 63 + 50 by rounding each number to the nearest 10: ______
- Estimate 36 + 43 by rounding each number to the nearest 10: ______
- Estimate 38 + 49 by rounding each number to the nearest 10: ______
- Estimate 28 + 31 by rounding each number to the nearest 10: ______