Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 + 68 by rounding each number to the nearest 10: ______
- Estimate 65 + 88 by rounding each number to the nearest 10: ______
- Estimate 52 − 74 by rounding each number to the nearest 10: ______
- Estimate 40 + 44 by rounding each number to the nearest 10: ______
- Estimate 74 + 27 by rounding each number to the nearest 10: ______
- Estimate 76 − 57 by rounding each number to the nearest 10: ______
- Estimate 43 − 66 by rounding each number to the nearest 10: ______
- Estimate 23 − 23 by rounding each number to the nearest 10: ______
- Estimate 80 + 84 by rounding each number to the nearest 10: ______
- Estimate 34 − 77 by rounding each number to the nearest 10: ______
- Estimate 35 − 65 by rounding each number to the nearest 10: ______
- Estimate 24 − 22 by rounding each number to the nearest 10: ______
- Estimate 23 + 25 by rounding each number to the nearest 10: ______
- Estimate 78 + 56 by rounding each number to the nearest 10: ______
- Estimate 28 − 21 by rounding each number to the nearest 10: ______
- Estimate 37 − 81 by rounding each number to the nearest 10: ______
- Estimate 43 − 67 by rounding each number to the nearest 10: ______
- Estimate 34 − 69 by rounding each number to the nearest 10: ______
- Estimate 83 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 − 38 by rounding each number to the nearest 10: ______