Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 67 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 48 + 34 by rounding each number to the nearest 10: ______
- Estimate 68 + 46 by rounding each number to the nearest 10: ______
- Estimate 73 + 89 by rounding each number to the nearest 10: ______
- Estimate 40 + 34 by rounding each number to the nearest 10: ______
- Estimate 43 − 38 by rounding each number to the nearest 10: ______
- Estimate 45 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 − 76 by rounding each number to the nearest 10: ______
- Estimate 69 − 23 by rounding each number to the nearest 10: ______
- Estimate 60 − 30 by rounding each number to the nearest 10: ______
- Estimate 41 + 46 by rounding each number to the nearest 10: ______
- Estimate 70 − 87 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 88 − 60 by rounding each number to the nearest 10: ______
- Estimate 43 − 24 by rounding each number to the nearest 10: ______
- Estimate 21 − 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 78 by rounding each number to the nearest 10: ______
- Estimate 48 − 76 by rounding each number to the nearest 10: ______