Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 74 by rounding each number to the nearest 10: ______
- Estimate 55 + 25 by rounding each number to the nearest 10: ______
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 24 + 42 by rounding each number to the nearest 10: ______
- Estimate 43 + 67 by rounding each number to the nearest 10: ______
- Estimate 71 − 83 by rounding each number to the nearest 10: ______
- Estimate 81 + 72 by rounding each number to the nearest 10: ______
- Estimate 59 + 31 by rounding each number to the nearest 10: ______
- Estimate 65 − 76 by rounding each number to the nearest 10: ______
- Estimate 80 − 44 by rounding each number to the nearest 10: ______
- Estimate 25 − 73 by rounding each number to the nearest 10: ______
- Estimate 37 + 59 by rounding each number to the nearest 10: ______
- Estimate 88 − 61 by rounding each number to the nearest 10: ______
- Estimate 70 − 43 by rounding each number to the nearest 10: ______
- Estimate 22 + 22 by rounding each number to the nearest 10: ______
- Estimate 52 + 50 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 79 − 74 by rounding each number to the nearest 10: ______
- Estimate 80 + 39 by rounding each number to the nearest 10: ______
- Estimate 59 + 39 by rounding each number to the nearest 10: ______