Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 28 + 42 by rounding each number to the nearest 10: ______
- Estimate 62 − 21 by rounding each number to the nearest 10: ______
- Estimate 30 − 52 by rounding each number to the nearest 10: ______
- Estimate 72 + 75 by rounding each number to the nearest 10: ______
- Estimate 66 − 53 by rounding each number to the nearest 10: ______
- Estimate 63 + 35 by rounding each number to the nearest 10: ______
- Estimate 26 + 55 by rounding each number to the nearest 10: ______
- Estimate 54 + 73 by rounding each number to the nearest 10: ______
- Estimate 45 − 51 by rounding each number to the nearest 10: ______
- Estimate 33 − 84 by rounding each number to the nearest 10: ______
- Estimate 80 − 36 by rounding each number to the nearest 10: ______
- Estimate 44 − 31 by rounding each number to the nearest 10: ______
- Estimate 62 + 49 by rounding each number to the nearest 10: ______
- Estimate 72 − 75 by rounding each number to the nearest 10: ______
- Estimate 33 + 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 46 by rounding each number to the nearest 10: ______
- Estimate 23 − 36 by rounding each number to the nearest 10: ______
- Estimate 79 − 82 by rounding each number to the nearest 10: ______
- Estimate 83 − 40 by rounding each number to the nearest 10: ______
- Estimate 60 + 71 by rounding each number to the nearest 10: ______