Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 82 by rounding each number to the nearest 10: ______
- Estimate 23 − 29 by rounding each number to the nearest 10: ______
- Estimate 84 − 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 88 by rounding each number to the nearest 10: ______
- Estimate 31 − 41 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 54 by rounding each number to the nearest 10: ______
- Estimate 88 + 87 by rounding each number to the nearest 10: ______
- Estimate 83 + 86 by rounding each number to the nearest 10: ______
- Estimate 78 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 + 85 by rounding each number to the nearest 10: ______
- Estimate 40 + 55 by rounding each number to the nearest 10: ______
- Estimate 34 − 59 by rounding each number to the nearest 10: ______
- Estimate 68 − 48 by rounding each number to the nearest 10: ______
- Estimate 38 − 75 by rounding each number to the nearest 10: ______
- Estimate 64 − 79 by rounding each number to the nearest 10: ______
- Estimate 55 − 68 by rounding each number to the nearest 10: ______
- Estimate 65 − 28 by rounding each number to the nearest 10: ______
- Estimate 32 − 27 by rounding each number to the nearest 10: ______
- Estimate 59 + 27 by rounding each number to the nearest 10: ______