Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 49 by rounding each number to the nearest 10: ______
- Estimate 63 + 46 by rounding each number to the nearest 10: ______
- Estimate 73 − 26 by rounding each number to the nearest 10: ______
- Estimate 22 + 25 by rounding each number to the nearest 10: ______
- Estimate 23 − 49 by rounding each number to the nearest 10: ______
- Estimate 53 − 47 by rounding each number to the nearest 10: ______
- Estimate 68 + 55 by rounding each number to the nearest 10: ______
- Estimate 69 − 77 by rounding each number to the nearest 10: ______
- Estimate 86 + 81 by rounding each number to the nearest 10: ______
- Estimate 77 − 67 by rounding each number to the nearest 10: ______
- Estimate 26 − 36 by rounding each number to the nearest 10: ______
- Estimate 27 + 25 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 58 − 83 by rounding each number to the nearest 10: ______
- Estimate 21 − 33 by rounding each number to the nearest 10: ______
- Estimate 67 + 79 by rounding each number to the nearest 10: ______
- Estimate 29 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 72 by rounding each number to the nearest 10: ______
- Estimate 51 − 51 by rounding each number to the nearest 10: ______
- Estimate 48 − 31 by rounding each number to the nearest 10: ______