Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 67 − 67 by rounding each number to the nearest 10: ______
- Estimate 79 + 62 by rounding each number to the nearest 10: ______
- Estimate 68 − 67 by rounding each number to the nearest 10: ______
- Estimate 24 − 85 by rounding each number to the nearest 10: ______
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 21 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 76 by rounding each number to the nearest 10: ______
- Estimate 72 − 62 by rounding each number to the nearest 10: ______
- Estimate 36 − 21 by rounding each number to the nearest 10: ______
- Estimate 52 − 88 by rounding each number to the nearest 10: ______
- Estimate 60 − 22 by rounding each number to the nearest 10: ______
- Estimate 70 + 30 by rounding each number to the nearest 10: ______
- Estimate 33 − 37 by rounding each number to the nearest 10: ______
- Estimate 21 − 79 by rounding each number to the nearest 10: ______
- Estimate 78 − 57 by rounding each number to the nearest 10: ______
- Estimate 86 + 32 by rounding each number to the nearest 10: ______
- Estimate 66 − 27 by rounding each number to the nearest 10: ______
- Estimate 75 + 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 86 by rounding each number to the nearest 10: ______