Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 − 78 by rounding each number to the nearest 10: ______
- Estimate 40 + 32 by rounding each number to the nearest 10: ______
- Estimate 42 − 27 by rounding each number to the nearest 10: ______
- Estimate 23 + 38 by rounding each number to the nearest 10: ______
- Estimate 83 + 59 by rounding each number to the nearest 10: ______
- Estimate 84 − 55 by rounding each number to the nearest 10: ______
- Estimate 55 − 26 by rounding each number to the nearest 10: ______
- Estimate 84 + 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 74 by rounding each number to the nearest 10: ______
- Estimate 53 − 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 59 by rounding each number to the nearest 10: ______
- Estimate 69 − 64 by rounding each number to the nearest 10: ______
- Estimate 30 − 79 by rounding each number to the nearest 10: ______
- Estimate 88 − 26 by rounding each number to the nearest 10: ______
- Estimate 35 + 58 by rounding each number to the nearest 10: ______
- Estimate 33 − 88 by rounding each number to the nearest 10: ______
- Estimate 76 − 84 by rounding each number to the nearest 10: ______
- Estimate 66 + 51 by rounding each number to the nearest 10: ______
- Estimate 88 + 62 by rounding each number to the nearest 10: ______