Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 33 by rounding each number to the nearest 10: ______
- Estimate 65 − 88 by rounding each number to the nearest 10: ______
- Estimate 85 + 70 by rounding each number to the nearest 10: ______
- Estimate 77 − 85 by rounding each number to the nearest 10: ______
- Estimate 45 − 86 by rounding each number to the nearest 10: ______
- Estimate 79 − 55 by rounding each number to the nearest 10: ______
- Estimate 39 − 32 by rounding each number to the nearest 10: ______
- Estimate 81 − 25 by rounding each number to the nearest 10: ______
- Estimate 77 + 87 by rounding each number to the nearest 10: ______
- Estimate 28 + 62 by rounding each number to the nearest 10: ______
- Estimate 21 + 37 by rounding each number to the nearest 10: ______
- Estimate 45 − 46 by rounding each number to the nearest 10: ______
- Estimate 55 − 67 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 73 − 42 by rounding each number to the nearest 10: ______
- Estimate 35 − 24 by rounding each number to the nearest 10: ______
- Estimate 79 + 46 by rounding each number to the nearest 10: ______
- Estimate 47 + 31 by rounding each number to the nearest 10: ______
- Estimate 28 − 69 by rounding each number to the nearest 10: ______
- Estimate 42 − 76 by rounding each number to the nearest 10: ______