Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 − 39 by rounding each number to the nearest 10: ______
- Estimate 33 − 77 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 86 + 87 by rounding each number to the nearest 10: ______
- Estimate 24 − 70 by rounding each number to the nearest 10: ______
- Estimate 61 + 28 by rounding each number to the nearest 10: ______
- Estimate 76 + 45 by rounding each number to the nearest 10: ______
- Estimate 33 − 62 by rounding each number to the nearest 10: ______
- Estimate 45 − 56 by rounding each number to the nearest 10: ______
- Estimate 58 + 45 by rounding each number to the nearest 10: ______
- Estimate 53 + 39 by rounding each number to the nearest 10: ______
- Estimate 39 + 62 by rounding each number to the nearest 10: ______
- Estimate 27 − 39 by rounding each number to the nearest 10: ______
- Estimate 41 + 34 by rounding each number to the nearest 10: ______
- Estimate 27 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 − 73 by rounding each number to the nearest 10: ______
- Estimate 66 − 76 by rounding each number to the nearest 10: ______
- Estimate 39 − 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 85 by rounding each number to the nearest 10: ______