Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 42 by rounding each number to the nearest 10: ______
- Estimate 43 − 22 by rounding each number to the nearest 10: ______
- Estimate 25 + 62 by rounding each number to the nearest 10: ______
- Estimate 80 − 85 by rounding each number to the nearest 10: ______
- Estimate 38 − 59 by rounding each number to the nearest 10: ______
- Estimate 32 − 79 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 51 by rounding each number to the nearest 10: ______
- Estimate 86 − 51 by rounding each number to the nearest 10: ______
- Estimate 45 + 67 by rounding each number to the nearest 10: ______
- Estimate 75 − 70 by rounding each number to the nearest 10: ______
- Estimate 73 − 68 by rounding each number to the nearest 10: ______
- Estimate 30 + 83 by rounding each number to the nearest 10: ______
- Estimate 51 + 35 by rounding each number to the nearest 10: ______
- Estimate 79 + 68 by rounding each number to the nearest 10: ______
- Estimate 57 − 84 by rounding each number to the nearest 10: ______
- Estimate 63 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 30 by rounding each number to the nearest 10: ______
- Estimate 52 − 52 by rounding each number to the nearest 10: ______
- Estimate 58 + 73 by rounding each number to the nearest 10: ______