Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 38 by rounding each number to the nearest 10: ______
- Estimate 31 − 79 by rounding each number to the nearest 10: ______
- Estimate 73 + 36 by rounding each number to the nearest 10: ______
- Estimate 74 + 71 by rounding each number to the nearest 10: ______
- Estimate 40 + 23 by rounding each number to the nearest 10: ______
- Estimate 43 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 + 77 by rounding each number to the nearest 10: ______
- Estimate 69 + 25 by rounding each number to the nearest 10: ______
- Estimate 86 − 53 by rounding each number to the nearest 10: ______
- Estimate 69 + 75 by rounding each number to the nearest 10: ______
- Estimate 84 + 23 by rounding each number to the nearest 10: ______
- Estimate 37 − 41 by rounding each number to the nearest 10: ______
- Estimate 34 − 53 by rounding each number to the nearest 10: ______
- Estimate 81 + 65 by rounding each number to the nearest 10: ______
- Estimate 35 − 85 by rounding each number to the nearest 10: ______
- Estimate 40 + 65 by rounding each number to the nearest 10: ______
- Estimate 22 − 25 by rounding each number to the nearest 10: ______
- Estimate 44 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 + 56 by rounding each number to the nearest 10: ______
- Estimate 28 − 80 by rounding each number to the nearest 10: ______