Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 41 by rounding each number to the nearest 10: ______
- Estimate 42 − 44 by rounding each number to the nearest 10: ______
- Estimate 66 − 52 by rounding each number to the nearest 10: ______
- Estimate 76 − 82 by rounding each number to the nearest 10: ______
- Estimate 68 − 68 by rounding each number to the nearest 10: ______
- Estimate 39 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 + 31 by rounding each number to the nearest 10: ______
- Estimate 85 − 61 by rounding each number to the nearest 10: ______
- Estimate 48 + 67 by rounding each number to the nearest 10: ______
- Estimate 82 − 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 77 by rounding each number to the nearest 10: ______
- Estimate 43 − 87 by rounding each number to the nearest 10: ______
- Estimate 40 − 42 by rounding each number to the nearest 10: ______
- Estimate 32 − 31 by rounding each number to the nearest 10: ______
- Estimate 76 + 80 by rounding each number to the nearest 10: ______
- Estimate 67 + 36 by rounding each number to the nearest 10: ______
- Estimate 58 + 45 by rounding each number to the nearest 10: ______
- Estimate 64 + 30 by rounding each number to the nearest 10: ______
- Estimate 87 + 22 by rounding each number to the nearest 10: ______
- Estimate 50 + 21 by rounding each number to the nearest 10: ______