Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 40 by rounding each number to the nearest 10: ______
- Estimate 45 − 58 by rounding each number to the nearest 10: ______
- Estimate 50 + 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 38 by rounding each number to the nearest 10: ______
- Estimate 34 − 66 by rounding each number to the nearest 10: ______
- Estimate 35 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 − 37 by rounding each number to the nearest 10: ______
- Estimate 45 + 57 by rounding each number to the nearest 10: ______
- Estimate 22 − 80 by rounding each number to the nearest 10: ______
- Estimate 63 − 54 by rounding each number to the nearest 10: ______
- Estimate 78 − 70 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 + 72 by rounding each number to the nearest 10: ______
- Estimate 79 − 57 by rounding each number to the nearest 10: ______
- Estimate 39 − 45 by rounding each number to the nearest 10: ______
- Estimate 54 + 54 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 35 + 73 by rounding each number to the nearest 10: ______
- Estimate 31 − 87 by rounding each number to the nearest 10: ______
- Estimate 54 + 56 by rounding each number to the nearest 10: ______