Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 45 by rounding each number to the nearest 10: ______
- Estimate 70 + 57 by rounding each number to the nearest 10: ______
- Estimate 23 − 21 by rounding each number to the nearest 10: ______
- Estimate 65 + 48 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 46 + 86 by rounding each number to the nearest 10: ______
- Estimate 70 − 80 by rounding each number to the nearest 10: ______
- Estimate 58 + 70 by rounding each number to the nearest 10: ______
- Estimate 71 − 55 by rounding each number to the nearest 10: ______
- Estimate 61 + 58 by rounding each number to the nearest 10: ______
- Estimate 75 + 73 by rounding each number to the nearest 10: ______
- Estimate 31 − 70 by rounding each number to the nearest 10: ______
- Estimate 38 − 74 by rounding each number to the nearest 10: ______
- Estimate 76 − 61 by rounding each number to the nearest 10: ______
- Estimate 28 − 36 by rounding each number to the nearest 10: ______
- Estimate 61 + 69 by rounding each number to the nearest 10: ______
- Estimate 63 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 + 84 by rounding each number to the nearest 10: ______
- Estimate 55 − 56 by rounding each number to the nearest 10: ______
- Estimate 77 + 58 by rounding each number to the nearest 10: ______