Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 + 24 by rounding each number to the nearest 10: ______
- Estimate 44 + 80 by rounding each number to the nearest 10: ______
- Estimate 21 − 27 by rounding each number to the nearest 10: ______
- Estimate 32 − 41 by rounding each number to the nearest 10: ______
- Estimate 65 + 87 by rounding each number to the nearest 10: ______
- Estimate 86 + 53 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______
- Estimate 52 − 85 by rounding each number to the nearest 10: ______
- Estimate 23 + 55 by rounding each number to the nearest 10: ______
- Estimate 33 + 50 by rounding each number to the nearest 10: ______
- Estimate 45 + 41 by rounding each number to the nearest 10: ______
- Estimate 52 − 72 by rounding each number to the nearest 10: ______
- Estimate 46 − 56 by rounding each number to the nearest 10: ______
- Estimate 58 − 38 by rounding each number to the nearest 10: ______
- Estimate 30 + 45 by rounding each number to the nearest 10: ______
- Estimate 78 + 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 66 by rounding each number to the nearest 10: ______
- Estimate 69 + 85 by rounding each number to the nearest 10: ______
- Estimate 53 − 63 by rounding each number to the nearest 10: ______
- Estimate 84 − 37 by rounding each number to the nearest 10: ______