Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 59 − 40 by rounding each number to the nearest 10: ______
- Estimate 33 − 79 by rounding each number to the nearest 10: ______
- Estimate 68 − 72 by rounding each number to the nearest 10: ______
- Estimate 77 + 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 66 by rounding each number to the nearest 10: ______
- Estimate 72 + 22 by rounding each number to the nearest 10: ______
- Estimate 77 − 35 by rounding each number to the nearest 10: ______
- Estimate 71 + 49 by rounding each number to the nearest 10: ______
- Estimate 27 − 61 by rounding each number to the nearest 10: ______
- Estimate 88 − 62 by rounding each number to the nearest 10: ______
- Estimate 59 + 72 by rounding each number to the nearest 10: ______
- Estimate 27 − 79 by rounding each number to the nearest 10: ______
- Estimate 64 + 49 by rounding each number to the nearest 10: ______
- Estimate 78 + 62 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______
- Estimate 68 + 70 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 68 − 78 by rounding each number to the nearest 10: ______
- Estimate 25 − 55 by rounding each number to the nearest 10: ______