Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 + 21 by rounding each number to the nearest 10: ______
- Estimate 57 + 43 by rounding each number to the nearest 10: ______
- Estimate 88 − 81 by rounding each number to the nearest 10: ______
- Estimate 88 + 53 by rounding each number to the nearest 10: ______
- Estimate 55 − 34 by rounding each number to the nearest 10: ______
- Estimate 61 − 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 66 − 33 by rounding each number to the nearest 10: ______
- Estimate 29 − 32 by rounding each number to the nearest 10: ______
- Estimate 69 − 82 by rounding each number to the nearest 10: ______
- Estimate 69 − 81 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 57 − 88 by rounding each number to the nearest 10: ______
- Estimate 57 − 58 by rounding each number to the nearest 10: ______
- Estimate 67 + 25 by rounding each number to the nearest 10: ______
- Estimate 74 + 61 by rounding each number to the nearest 10: ______
- Estimate 23 + 44 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______
- Estimate 42 + 21 by rounding each number to the nearest 10: ______