Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 + 86 by rounding each number to the nearest 10: ______
- Estimate 70 − 48 by rounding each number to the nearest 10: ______
- Estimate 85 + 75 by rounding each number to the nearest 10: ______
- Estimate 74 − 76 by rounding each number to the nearest 10: ______
- Estimate 81 + 78 by rounding each number to the nearest 10: ______
- Estimate 21 + 23 by rounding each number to the nearest 10: ______
- Estimate 69 − 84 by rounding each number to the nearest 10: ______
- Estimate 72 + 61 by rounding each number to the nearest 10: ______
- Estimate 29 + 32 by rounding each number to the nearest 10: ______
- Estimate 30 + 37 by rounding each number to the nearest 10: ______
- Estimate 79 + 73 by rounding each number to the nearest 10: ______
- Estimate 45 + 21 by rounding each number to the nearest 10: ______
- Estimate 78 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 − 35 by rounding each number to the nearest 10: ______
- Estimate 75 + 78 by rounding each number to the nearest 10: ______
- Estimate 52 + 78 by rounding each number to the nearest 10: ______
- Estimate 88 + 68 by rounding each number to the nearest 10: ______
- Estimate 74 − 79 by rounding each number to the nearest 10: ______
- Estimate 33 − 22 by rounding each number to the nearest 10: ______
- Estimate 61 − 23 by rounding each number to the nearest 10: ______