Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 71 − 64 by rounding each number to the nearest 10: ______
- Estimate 53 + 63 by rounding each number to the nearest 10: ______
- Estimate 35 + 64 by rounding each number to the nearest 10: ______
- Estimate 59 − 39 by rounding each number to the nearest 10: ______
- Estimate 68 − 42 by rounding each number to the nearest 10: ______
- Estimate 70 − 28 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 68 + 78 by rounding each number to the nearest 10: ______
- Estimate 55 + 64 by rounding each number to the nearest 10: ______
- Estimate 71 + 60 by rounding each number to the nearest 10: ______
- Estimate 32 − 69 by rounding each number to the nearest 10: ______
- Estimate 73 − 67 by rounding each number to the nearest 10: ______
- Estimate 35 + 65 by rounding each number to the nearest 10: ______
- Estimate 81 − 46 by rounding each number to the nearest 10: ______
- Estimate 60 + 86 by rounding each number to the nearest 10: ______
- Estimate 39 − 42 by rounding each number to the nearest 10: ______
- Estimate 47 − 76 by rounding each number to the nearest 10: ______
- Estimate 63 − 55 by rounding each number to the nearest 10: ______
- Estimate 52 + 74 by rounding each number to the nearest 10: ______