Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 68 by rounding each number to the nearest 10: ______
- Estimate 75 + 59 by rounding each number to the nearest 10: ______
- Estimate 60 + 37 by rounding each number to the nearest 10: ______
- Estimate 25 − 72 by rounding each number to the nearest 10: ______
- Estimate 59 + 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 86 by rounding each number to the nearest 10: ______
- Estimate 73 − 26 by rounding each number to the nearest 10: ______
- Estimate 45 + 78 by rounding each number to the nearest 10: ______
- Estimate 30 + 89 by rounding each number to the nearest 10: ______
- Estimate 29 − 47 by rounding each number to the nearest 10: ______
- Estimate 47 + 37 by rounding each number to the nearest 10: ______
- Estimate 83 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 − 55 by rounding each number to the nearest 10: ______
- Estimate 40 + 41 by rounding each number to the nearest 10: ______
- Estimate 44 − 37 by rounding each number to the nearest 10: ______
- Estimate 53 − 62 by rounding each number to the nearest 10: ______
- Estimate 57 + 34 by rounding each number to the nearest 10: ______
- Estimate 73 − 22 by rounding each number to the nearest 10: ______
- Estimate 64 + 77 by rounding each number to the nearest 10: ______
- Estimate 55 − 75 by rounding each number to the nearest 10: ______