Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 30 + 58 by rounding each number to the nearest 10: ______
- Estimate 65 + 36 by rounding each number to the nearest 10: ______
- Estimate 54 − 70 by rounding each number to the nearest 10: ______
- Estimate 62 + 78 by rounding each number to the nearest 10: ______
- Estimate 56 − 88 by rounding each number to the nearest 10: ______
- Estimate 83 + 49 by rounding each number to the nearest 10: ______
- Estimate 88 + 50 by rounding each number to the nearest 10: ______
- Estimate 49 − 83 by rounding each number to the nearest 10: ______
- Estimate 82 − 47 by rounding each number to the nearest 10: ______
- Estimate 21 + 40 by rounding each number to the nearest 10: ______
- Estimate 73 − 21 by rounding each number to the nearest 10: ______
- Estimate 76 + 33 by rounding each number to the nearest 10: ______
- Estimate 78 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 + 88 by rounding each number to the nearest 10: ______
- Estimate 89 + 64 by rounding each number to the nearest 10: ______
- Estimate 21 − 28 by rounding each number to the nearest 10: ______
- Estimate 89 − 74 by rounding each number to the nearest 10: ______
- Estimate 74 + 72 by rounding each number to the nearest 10: ______
- Estimate 38 + 39 by rounding each number to the nearest 10: ______
- Estimate 75 + 38 by rounding each number to the nearest 10: ______