Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 64 by rounding each number to the nearest 10: ______
- Estimate 70 − 48 by rounding each number to the nearest 10: ______
- Estimate 77 − 67 by rounding each number to the nearest 10: ______
- Estimate 34 − 38 by rounding each number to the nearest 10: ______
- Estimate 89 − 89 by rounding each number to the nearest 10: ______
- Estimate 68 + 61 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 89 − 75 by rounding each number to the nearest 10: ______
- Estimate 22 + 85 by rounding each number to the nearest 10: ______
- Estimate 45 + 59 by rounding each number to the nearest 10: ______
- Estimate 89 − 83 by rounding each number to the nearest 10: ______
- Estimate 84 + 26 by rounding each number to the nearest 10: ______
- Estimate 64 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 54 by rounding each number to the nearest 10: ______
- Estimate 73 + 80 by rounding each number to the nearest 10: ______
- Estimate 69 + 69 by rounding each number to the nearest 10: ______
- Estimate 71 + 32 by rounding each number to the nearest 10: ______
- Estimate 42 − 83 by rounding each number to the nearest 10: ______
- Estimate 39 − 28 by rounding each number to the nearest 10: ______
- Estimate 59 + 31 by rounding each number to the nearest 10: ______