Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 71 by rounding each number to the nearest 10: ______
- Estimate 62 − 42 by rounding each number to the nearest 10: ______
- Estimate 45 + 46 by rounding each number to the nearest 10: ______
- Estimate 66 − 83 by rounding each number to the nearest 10: ______
- Estimate 75 + 22 by rounding each number to the nearest 10: ______
- Estimate 43 + 27 by rounding each number to the nearest 10: ______
- Estimate 38 + 24 by rounding each number to the nearest 10: ______
- Estimate 29 + 87 by rounding each number to the nearest 10: ______
- Estimate 68 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 − 50 by rounding each number to the nearest 10: ______
- Estimate 52 + 68 by rounding each number to the nearest 10: ______
- Estimate 78 + 58 by rounding each number to the nearest 10: ______
- Estimate 88 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 + 43 by rounding each number to the nearest 10: ______
- Estimate 76 − 62 by rounding each number to the nearest 10: ______
- Estimate 52 − 79 by rounding each number to the nearest 10: ______
- Estimate 35 + 30 by rounding each number to the nearest 10: ______
- Estimate 44 + 27 by rounding each number to the nearest 10: ______
- Estimate 80 − 79 by rounding each number to the nearest 10: ______
- Estimate 61 − 88 by rounding each number to the nearest 10: ______