Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 29 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 47 − 83 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 89 + 78 by rounding each number to the nearest 10: ______
- Estimate 51 + 24 by rounding each number to the nearest 10: ______
- Estimate 42 + 52 by rounding each number to the nearest 10: ______
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 28 + 24 by rounding each number to the nearest 10: ______
- Estimate 44 + 85 by rounding each number to the nearest 10: ______
- Estimate 79 + 85 by rounding each number to the nearest 10: ______
- Estimate 47 + 69 by rounding each number to the nearest 10: ______
- Estimate 56 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 70 by rounding each number to the nearest 10: ______
- Estimate 71 − 64 by rounding each number to the nearest 10: ______
- Estimate 84 + 86 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______
- Estimate 69 + 37 by rounding each number to the nearest 10: ______
- Estimate 70 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 + 54 by rounding each number to the nearest 10: ______