Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 55 by rounding each number to the nearest 10: ______
- Estimate 21 − 68 by rounding each number to the nearest 10: ______
- Estimate 54 + 29 by rounding each number to the nearest 10: ______
- Estimate 80 + 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 51 by rounding each number to the nearest 10: ______
- Estimate 53 + 84 by rounding each number to the nearest 10: ______
- Estimate 37 − 26 by rounding each number to the nearest 10: ______
- Estimate 30 − 55 by rounding each number to the nearest 10: ______
- Estimate 52 + 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 56 by rounding each number to the nearest 10: ______
- Estimate 73 + 32 by rounding each number to the nearest 10: ______
- Estimate 39 − 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 29 by rounding each number to the nearest 10: ______
- Estimate 36 − 58 by rounding each number to the nearest 10: ______
- Estimate 26 − 40 by rounding each number to the nearest 10: ______
- Estimate 71 + 37 by rounding each number to the nearest 10: ______
- Estimate 31 + 77 by rounding each number to the nearest 10: ______
- Estimate 28 + 56 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 74 + 74 by rounding each number to the nearest 10: ______