Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 − 52 by rounding each number to the nearest 10: ______
- Estimate 59 + 47 by rounding each number to the nearest 10: ______
- Estimate 70 + 33 by rounding each number to the nearest 10: ______
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 54 − 87 by rounding each number to the nearest 10: ______
- Estimate 38 − 71 by rounding each number to the nearest 10: ______
- Estimate 48 − 54 by rounding each number to the nearest 10: ______
- Estimate 26 − 86 by rounding each number to the nearest 10: ______
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 79 − 71 by rounding each number to the nearest 10: ______
- Estimate 69 + 77 by rounding each number to the nearest 10: ______
- Estimate 50 − 48 by rounding each number to the nearest 10: ______
- Estimate 83 − 29 by rounding each number to the nearest 10: ______
- Estimate 62 − 67 by rounding each number to the nearest 10: ______
- Estimate 74 − 87 by rounding each number to the nearest 10: ______
- Estimate 28 − 50 by rounding each number to the nearest 10: ______
- Estimate 87 + 21 by rounding each number to the nearest 10: ______
- Estimate 42 + 80 by rounding each number to the nearest 10: ______
- Estimate 61 + 33 by rounding each number to the nearest 10: ______
- Estimate 65 − 30 by rounding each number to the nearest 10: ______