Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 68 + 23 by rounding each number to the nearest 10: ______
- Estimate 52 − 60 by rounding each number to the nearest 10: ______
- Estimate 43 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 − 47 by rounding each number to the nearest 10: ______
- Estimate 80 + 45 by rounding each number to the nearest 10: ______
- Estimate 85 + 24 by rounding each number to the nearest 10: ______
- Estimate 87 + 42 by rounding each number to the nearest 10: ______
- Estimate 30 + 64 by rounding each number to the nearest 10: ______
- Estimate 69 − 52 by rounding each number to the nearest 10: ______
- Estimate 33 + 72 by rounding each number to the nearest 10: ______
- Estimate 87 − 52 by rounding each number to the nearest 10: ______
- Estimate 62 + 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 34 by rounding each number to the nearest 10: ______
- Estimate 39 + 52 by rounding each number to the nearest 10: ______
- Estimate 78 + 65 by rounding each number to the nearest 10: ______
- Estimate 69 − 53 by rounding each number to the nearest 10: ______
- Estimate 74 − 80 by rounding each number to the nearest 10: ______
- Estimate 69 − 77 by rounding each number to the nearest 10: ______
- Estimate 61 − 68 by rounding each number to the nearest 10: ______
- Estimate 33 + 32 by rounding each number to the nearest 10: ______