Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 − 21 by rounding each number to the nearest 10: ______
- Estimate 87 − 39 by rounding each number to the nearest 10: ______
- Estimate 64 + 38 by rounding each number to the nearest 10: ______
- Estimate 54 + 77 by rounding each number to the nearest 10: ______
- Estimate 71 + 57 by rounding each number to the nearest 10: ______
- Estimate 83 − 74 by rounding each number to the nearest 10: ______
- Estimate 30 − 22 by rounding each number to the nearest 10: ______
- Estimate 83 − 77 by rounding each number to the nearest 10: ______
- Estimate 51 − 85 by rounding each number to the nearest 10: ______
- Estimate 26 − 39 by rounding each number to the nearest 10: ______
- Estimate 23 + 86 by rounding each number to the nearest 10: ______
- Estimate 55 − 55 by rounding each number to the nearest 10: ______
- Estimate 60 + 65 by rounding each number to the nearest 10: ______
- Estimate 29 − 75 by rounding each number to the nearest 10: ______
- Estimate 84 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 − 74 by rounding each number to the nearest 10: ______
- Estimate 39 − 65 by rounding each number to the nearest 10: ______
- Estimate 58 − 50 by rounding each number to the nearest 10: ______
- Estimate 74 + 32 by rounding each number to the nearest 10: ______