Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 87 by rounding each number to the nearest 10: ______
- Estimate 64 − 75 by rounding each number to the nearest 10: ______
- Estimate 23 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 + 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 67 by rounding each number to the nearest 10: ______
- Estimate 59 − 57 by rounding each number to the nearest 10: ______
- Estimate 23 + 41 by rounding each number to the nearest 10: ______
- Estimate 34 − 35 by rounding each number to the nearest 10: ______
- Estimate 43 − 59 by rounding each number to the nearest 10: ______
- Estimate 30 + 60 by rounding each number to the nearest 10: ______
- Estimate 68 + 40 by rounding each number to the nearest 10: ______
- Estimate 41 + 67 by rounding each number to the nearest 10: ______
- Estimate 52 − 29 by rounding each number to the nearest 10: ______
- Estimate 42 + 34 by rounding each number to the nearest 10: ______
- Estimate 33 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 30 by rounding each number to the nearest 10: ______
- Estimate 63 + 56 by rounding each number to the nearest 10: ______
- Estimate 62 + 26 by rounding each number to the nearest 10: ______
- Estimate 40 − 89 by rounding each number to the nearest 10: ______
- Estimate 42 + 85 by rounding each number to the nearest 10: ______