Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 48 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 + 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 76 by rounding each number to the nearest 10: ______
- Estimate 54 − 55 by rounding each number to the nearest 10: ______
- Estimate 61 + 81 by rounding each number to the nearest 10: ______
- Estimate 32 + 58 by rounding each number to the nearest 10: ______
- Estimate 47 − 77 by rounding each number to the nearest 10: ______
- Estimate 63 + 37 by rounding each number to the nearest 10: ______
- Estimate 29 + 78 by rounding each number to the nearest 10: ______
- Estimate 79 + 67 by rounding each number to the nearest 10: ______
- Estimate 79 + 37 by rounding each number to the nearest 10: ______
- Estimate 59 + 61 by rounding each number to the nearest 10: ______
- Estimate 49 + 35 by rounding each number to the nearest 10: ______
- Estimate 59 − 68 by rounding each number to the nearest 10: ______
- Estimate 69 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 − 75 by rounding each number to the nearest 10: ______
- Estimate 74 + 53 by rounding each number to the nearest 10: ______
- Estimate 68 + 49 by rounding each number to the nearest 10: ______
- Estimate 34 − 87 by rounding each number to the nearest 10: ______
- Estimate 59 + 67 by rounding each number to the nearest 10: ______