Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 + 88 by rounding each number to the nearest 10: ______
- Estimate 21 + 78 by rounding each number to the nearest 10: ______
- Estimate 79 + 88 by rounding each number to the nearest 10: ______
- Estimate 58 + 85 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 48 + 23 by rounding each number to the nearest 10: ______
- Estimate 71 − 72 by rounding each number to the nearest 10: ______
- Estimate 21 − 71 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 43 − 30 by rounding each number to the nearest 10: ______
- Estimate 88 + 65 by rounding each number to the nearest 10: ______
- Estimate 81 − 61 by rounding each number to the nearest 10: ______
- Estimate 39 + 75 by rounding each number to the nearest 10: ______
- Estimate 22 − 48 by rounding each number to the nearest 10: ______
- Estimate 27 + 29 by rounding each number to the nearest 10: ______
- Estimate 73 + 52 by rounding each number to the nearest 10: ______
- Estimate 28 − 41 by rounding each number to the nearest 10: ______
- Estimate 41 + 34 by rounding each number to the nearest 10: ______
- Estimate 87 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 − 21 by rounding each number to the nearest 10: ______