Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 43 by rounding each number to the nearest 10: ______
- Estimate 46 + 21 by rounding each number to the nearest 10: ______
- Estimate 63 + 79 by rounding each number to the nearest 10: ______
- Estimate 74 + 77 by rounding each number to the nearest 10: ______
- Estimate 69 + 73 by rounding each number to the nearest 10: ______
- Estimate 53 + 54 by rounding each number to the nearest 10: ______
- Estimate 87 + 25 by rounding each number to the nearest 10: ______
- Estimate 39 + 28 by rounding each number to the nearest 10: ______
- Estimate 26 − 58 by rounding each number to the nearest 10: ______
- Estimate 36 + 43 by rounding each number to the nearest 10: ______
- Estimate 59 + 54 by rounding each number to the nearest 10: ______
- Estimate 35 + 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 58 by rounding each number to the nearest 10: ______
- Estimate 45 − 23 by rounding each number to the nearest 10: ______
- Estimate 82 − 47 by rounding each number to the nearest 10: ______
- Estimate 41 − 79 by rounding each number to the nearest 10: ______
- Estimate 42 − 72 by rounding each number to the nearest 10: ______
- Estimate 85 − 45 by rounding each number to the nearest 10: ______
- Estimate 60 − 37 by rounding each number to the nearest 10: ______
- Estimate 36 − 80 by rounding each number to the nearest 10: ______