Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 40 by rounding each number to the nearest 10: ______
- Estimate 40 − 54 by rounding each number to the nearest 10: ______
- Estimate 43 + 62 by rounding each number to the nearest 10: ______
- Estimate 46 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 − 52 by rounding each number to the nearest 10: ______
- Estimate 72 − 51 by rounding each number to the nearest 10: ______
- Estimate 29 + 36 by rounding each number to the nearest 10: ______
- Estimate 26 + 71 by rounding each number to the nearest 10: ______
- Estimate 72 − 74 by rounding each number to the nearest 10: ______
- Estimate 59 + 50 by rounding each number to the nearest 10: ______
- Estimate 29 + 87 by rounding each number to the nearest 10: ______
- Estimate 36 − 27 by rounding each number to the nearest 10: ______
- Estimate 86 + 28 by rounding each number to the nearest 10: ______
- Estimate 63 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 + 56 by rounding each number to the nearest 10: ______
- Estimate 24 − 27 by rounding each number to the nearest 10: ______
- Estimate 83 + 61 by rounding each number to the nearest 10: ______
- Estimate 56 − 31 by rounding each number to the nearest 10: ______
- Estimate 28 + 26 by rounding each number to the nearest 10: ______
- Estimate 75 − 69 by rounding each number to the nearest 10: ______