Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 56 + 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 45 + 24 by rounding each number to the nearest 10: ______
- Estimate 68 − 39 by rounding each number to the nearest 10: ______
- Estimate 41 − 70 by rounding each number to the nearest 10: ______
- Estimate 75 + 84 by rounding each number to the nearest 10: ______
- Estimate 27 + 54 by rounding each number to the nearest 10: ______
- Estimate 84 + 59 by rounding each number to the nearest 10: ______
- Estimate 75 + 48 by rounding each number to the nearest 10: ______
- Estimate 73 − 32 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 21 + 63 by rounding each number to the nearest 10: ______
- Estimate 23 + 86 by rounding each number to the nearest 10: ______
- Estimate 75 − 31 by rounding each number to the nearest 10: ______
- Estimate 54 − 59 by rounding each number to the nearest 10: ______
- Estimate 57 + 77 by rounding each number to the nearest 10: ______
- Estimate 88 − 56 by rounding each number to the nearest 10: ______
- Estimate 55 + 60 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______
- Estimate 25 + 71 by rounding each number to the nearest 10: ______