Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 58 by rounding each number to the nearest 10: ______
- Estimate 42 − 35 by rounding each number to the nearest 10: ______
- Estimate 45 − 21 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 47 + 52 by rounding each number to the nearest 10: ______
- Estimate 76 − 65 by rounding each number to the nearest 10: ______
- Estimate 67 + 46 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 75 + 57 by rounding each number to the nearest 10: ______
- Estimate 25 + 57 by rounding each number to the nearest 10: ______
- Estimate 79 − 46 by rounding each number to the nearest 10: ______
- Estimate 78 − 35 by rounding each number to the nearest 10: ______
- Estimate 85 − 86 by rounding each number to the nearest 10: ______
- Estimate 36 + 40 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 55 + 77 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 39 − 33 by rounding each number to the nearest 10: ______
- Estimate 42 − 68 by rounding each number to the nearest 10: ______
- Estimate 87 − 82 by rounding each number to the nearest 10: ______