Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 29 + 45 by rounding each number to the nearest 10: ______
- Estimate 60 + 45 by rounding each number to the nearest 10: ______
- Estimate 87 − 84 by rounding each number to the nearest 10: ______
- Estimate 28 − 21 by rounding each number to the nearest 10: ______
- Estimate 42 + 26 by rounding each number to the nearest 10: ______
- Estimate 75 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 36 by rounding each number to the nearest 10: ______
- Estimate 68 + 51 by rounding each number to the nearest 10: ______
- Estimate 70 − 52 by rounding each number to the nearest 10: ______
- Estimate 46 + 80 by rounding each number to the nearest 10: ______
- Estimate 33 − 39 by rounding each number to the nearest 10: ______
- Estimate 71 − 32 by rounding each number to the nearest 10: ______
- Estimate 23 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 − 50 by rounding each number to the nearest 10: ______
- Estimate 48 − 32 by rounding each number to the nearest 10: ______
- Estimate 42 + 35 by rounding each number to the nearest 10: ______
- Estimate 71 − 44 by rounding each number to the nearest 10: ______
- Estimate 29 + 55 by rounding each number to the nearest 10: ______
- Estimate 49 − 53 by rounding each number to the nearest 10: ______
- Estimate 62 − 43 by rounding each number to the nearest 10: ______