Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 28 by rounding each number to the nearest 10: ______
- Estimate 44 − 80 by rounding each number to the nearest 10: ______
- Estimate 23 + 43 by rounding each number to the nearest 10: ______
- Estimate 30 + 23 by rounding each number to the nearest 10: ______
- Estimate 59 − 61 by rounding each number to the nearest 10: ______
- Estimate 49 + 21 by rounding each number to the nearest 10: ______
- Estimate 54 + 36 by rounding each number to the nearest 10: ______
- Estimate 64 − 38 by rounding each number to the nearest 10: ______
- Estimate 26 − 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 86 by rounding each number to the nearest 10: ______
- Estimate 27 + 67 by rounding each number to the nearest 10: ______
- Estimate 31 − 54 by rounding each number to the nearest 10: ______
- Estimate 85 − 21 by rounding each number to the nearest 10: ______
- Estimate 35 + 55 by rounding each number to the nearest 10: ______
- Estimate 83 − 41 by rounding each number to the nearest 10: ______
- Estimate 64 − 66 by rounding each number to the nearest 10: ______
- Estimate 63 − 77 by rounding each number to the nearest 10: ______
- Estimate 77 − 84 by rounding each number to the nearest 10: ______
- Estimate 26 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 75 by rounding each number to the nearest 10: ______