Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 33 by rounding each number to the nearest 10: ______
- Estimate 76 + 39 by rounding each number to the nearest 10: ______
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 63 + 79 by rounding each number to the nearest 10: ______
- Estimate 70 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 51 by rounding each number to the nearest 10: ______
- Estimate 24 − 79 by rounding each number to the nearest 10: ______
- Estimate 21 − 80 by rounding each number to the nearest 10: ______
- Estimate 81 − 61 by rounding each number to the nearest 10: ______
- Estimate 75 + 40 by rounding each number to the nearest 10: ______
- Estimate 42 + 75 by rounding each number to the nearest 10: ______
- Estimate 79 + 72 by rounding each number to the nearest 10: ______
- Estimate 58 + 43 by rounding each number to the nearest 10: ______
- Estimate 86 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 52 by rounding each number to the nearest 10: ______
- Estimate 59 − 89 by rounding each number to the nearest 10: ______
- Estimate 78 + 51 by rounding each number to the nearest 10: ______
- Estimate 59 − 27 by rounding each number to the nearest 10: ______
- Estimate 41 − 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 74 by rounding each number to the nearest 10: ______