Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 82 + 40 by rounding each number to the nearest 10: ______
- Estimate 26 + 35 by rounding each number to the nearest 10: ______
- Estimate 55 − 47 by rounding each number to the nearest 10: ______
- Estimate 80 − 54 by rounding each number to the nearest 10: ______
- Estimate 58 + 33 by rounding each number to the nearest 10: ______
- Estimate 22 + 53 by rounding each number to the nearest 10: ______
- Estimate 44 − 55 by rounding each number to the nearest 10: ______
- Estimate 54 + 54 by rounding each number to the nearest 10: ______
- Estimate 65 + 35 by rounding each number to the nearest 10: ______
- Estimate 79 + 56 by rounding each number to the nearest 10: ______
- Estimate 87 − 69 by rounding each number to the nearest 10: ______
- Estimate 52 + 74 by rounding each number to the nearest 10: ______
- Estimate 53 + 53 by rounding each number to the nearest 10: ______
- Estimate 33 − 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 62 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 21 + 41 by rounding each number to the nearest 10: ______
- Estimate 26 − 40 by rounding each number to the nearest 10: ______
- Estimate 64 + 36 by rounding each number to the nearest 10: ______
- Estimate 77 + 57 by rounding each number to the nearest 10: ______