Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 + 89 by rounding each number to the nearest 10: ______
- Estimate 52 − 71 by rounding each number to the nearest 10: ______
- Estimate 40 + 66 by rounding each number to the nearest 10: ______
- Estimate 67 + 24 by rounding each number to the nearest 10: ______
- Estimate 89 − 32 by rounding each number to the nearest 10: ______
- Estimate 70 + 77 by rounding each number to the nearest 10: ______
- Estimate 30 + 85 by rounding each number to the nearest 10: ______
- Estimate 56 − 57 by rounding each number to the nearest 10: ______
- Estimate 49 + 64 by rounding each number to the nearest 10: ______
- Estimate 87 + 36 by rounding each number to the nearest 10: ______
- Estimate 69 + 72 by rounding each number to the nearest 10: ______
- Estimate 57 + 78 by rounding each number to the nearest 10: ______
- Estimate 35 + 49 by rounding each number to the nearest 10: ______
- Estimate 40 − 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 62 by rounding each number to the nearest 10: ______
- Estimate 59 + 29 by rounding each number to the nearest 10: ______
- Estimate 37 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 − 76 by rounding each number to the nearest 10: ______
- Estimate 69 + 71 by rounding each number to the nearest 10: ______
- Estimate 45 + 47 by rounding each number to the nearest 10: ______