Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 28 by rounding each number to the nearest 10: ______
- Estimate 75 − 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 47 by rounding each number to the nearest 10: ______
- Estimate 62 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 − 30 by rounding each number to the nearest 10: ______
- Estimate 21 − 66 by rounding each number to the nearest 10: ______
- Estimate 39 + 75 by rounding each number to the nearest 10: ______
- Estimate 35 − 31 by rounding each number to the nearest 10: ______
- Estimate 84 − 76 by rounding each number to the nearest 10: ______
- Estimate 32 − 77 by rounding each number to the nearest 10: ______
- Estimate 72 − 51 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 25 − 67 by rounding each number to the nearest 10: ______
- Estimate 38 + 71 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 30 − 80 by rounding each number to the nearest 10: ______
- Estimate 89 − 74 by rounding each number to the nearest 10: ______
- Estimate 32 − 42 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 54 + 86 by rounding each number to the nearest 10: ______