Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 80 + 30 by rounding each number to the nearest 10: ______
- Estimate 27 − 46 by rounding each number to the nearest 10: ______
- Estimate 77 − 44 by rounding each number to the nearest 10: ______
- Estimate 85 − 81 by rounding each number to the nearest 10: ______
- Estimate 28 + 45 by rounding each number to the nearest 10: ______
- Estimate 34 + 72 by rounding each number to the nearest 10: ______
- Estimate 30 − 30 by rounding each number to the nearest 10: ______
- Estimate 67 + 74 by rounding each number to the nearest 10: ______
- Estimate 68 + 69 by rounding each number to the nearest 10: ______
- Estimate 72 + 71 by rounding each number to the nearest 10: ______
- Estimate 23 + 60 by rounding each number to the nearest 10: ______
- Estimate 39 − 64 by rounding each number to the nearest 10: ______
- Estimate 54 − 62 by rounding each number to the nearest 10: ______
- Estimate 79 − 30 by rounding each number to the nearest 10: ______
- Estimate 72 + 57 by rounding each number to the nearest 10: ______
- Estimate 35 − 86 by rounding each number to the nearest 10: ______
- Estimate 23 − 33 by rounding each number to the nearest 10: ______
- Estimate 42 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 33 by rounding each number to the nearest 10: ______
- Estimate 79 − 85 by rounding each number to the nearest 10: ______