Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 66 by rounding each number to the nearest 10: ______
- Estimate 21 + 66 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______
- Estimate 54 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 + 74 by rounding each number to the nearest 10: ______
- Estimate 44 − 66 by rounding each number to the nearest 10: ______
- Estimate 89 + 58 by rounding each number to the nearest 10: ______
- Estimate 75 − 75 by rounding each number to the nearest 10: ______
- Estimate 57 + 25 by rounding each number to the nearest 10: ______
- Estimate 52 + 26 by rounding each number to the nearest 10: ______
- Estimate 80 − 30 by rounding each number to the nearest 10: ______
- Estimate 61 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 − 55 by rounding each number to the nearest 10: ______
- Estimate 64 − 33 by rounding each number to the nearest 10: ______
- Estimate 77 + 87 by rounding each number to the nearest 10: ______
- Estimate 29 + 76 by rounding each number to the nearest 10: ______
- Estimate 71 + 38 by rounding each number to the nearest 10: ______
- Estimate 53 − 54 by rounding each number to the nearest 10: ______
- Estimate 81 − 39 by rounding each number to the nearest 10: ______