Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 86 by rounding each number to the nearest 10: ______
- Estimate 74 + 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 36 by rounding each number to the nearest 10: ______
- Estimate 51 + 45 by rounding each number to the nearest 10: ______
- Estimate 42 + 47 by rounding each number to the nearest 10: ______
- Estimate 64 − 43 by rounding each number to the nearest 10: ______
- Estimate 68 − 44 by rounding each number to the nearest 10: ______
- Estimate 36 + 70 by rounding each number to the nearest 10: ______
- Estimate 73 − 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 33 by rounding each number to the nearest 10: ______
- Estimate 46 + 28 by rounding each number to the nearest 10: ______
- Estimate 77 − 74 by rounding each number to the nearest 10: ______
- Estimate 42 − 71 by rounding each number to the nearest 10: ______
- Estimate 21 + 78 by rounding each number to the nearest 10: ______
- Estimate 64 + 39 by rounding each number to the nearest 10: ______
- Estimate 85 + 84 by rounding each number to the nearest 10: ______
- Estimate 37 + 60 by rounding each number to the nearest 10: ______
- Estimate 67 − 52 by rounding each number to the nearest 10: ______
- Estimate 84 + 43 by rounding each number to the nearest 10: ______
- Estimate 65 − 25 by rounding each number to the nearest 10: ______