Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 44 by rounding each number to the nearest 10: ______
- Estimate 59 − 29 by rounding each number to the nearest 10: ______
- Estimate 50 − 81 by rounding each number to the nearest 10: ______
- Estimate 34 + 53 by rounding each number to the nearest 10: ______
- Estimate 81 − 21 by rounding each number to the nearest 10: ______
- Estimate 66 − 31 by rounding each number to the nearest 10: ______
- Estimate 21 − 67 by rounding each number to the nearest 10: ______
- Estimate 30 − 25 by rounding each number to the nearest 10: ______
- Estimate 35 − 52 by rounding each number to the nearest 10: ______
- Estimate 24 + 33 by rounding each number to the nearest 10: ______
- Estimate 65 + 68 by rounding each number to the nearest 10: ______
- Estimate 67 + 61 by rounding each number to the nearest 10: ______
- Estimate 46 + 86 by rounding each number to the nearest 10: ______
- Estimate 78 − 54 by rounding each number to the nearest 10: ______
- Estimate 67 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 + 49 by rounding each number to the nearest 10: ______
- Estimate 63 − 81 by rounding each number to the nearest 10: ______
- Estimate 48 + 87 by rounding each number to the nearest 10: ______
- Estimate 86 + 52 by rounding each number to the nearest 10: ______