Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 22 by rounding each number to the nearest 10: ______
- Estimate 61 + 45 by rounding each number to the nearest 10: ______
- Estimate 85 − 23 by rounding each number to the nearest 10: ______
- Estimate 89 − 81 by rounding each number to the nearest 10: ______
- Estimate 33 − 89 by rounding each number to the nearest 10: ______
- Estimate 75 + 32 by rounding each number to the nearest 10: ______
- Estimate 31 − 83 by rounding each number to the nearest 10: ______
- Estimate 66 + 88 by rounding each number to the nearest 10: ______
- Estimate 74 − 40 by rounding each number to the nearest 10: ______
- Estimate 58 − 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 66 − 85 by rounding each number to the nearest 10: ______
- Estimate 85 + 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 61 by rounding each number to the nearest 10: ______
- Estimate 42 − 83 by rounding each number to the nearest 10: ______
- Estimate 73 + 27 by rounding each number to the nearest 10: ______
- Estimate 72 + 87 by rounding each number to the nearest 10: ______
- Estimate 31 + 49 by rounding each number to the nearest 10: ______
- Estimate 44 − 47 by rounding each number to the nearest 10: ______
- Estimate 52 + 55 by rounding each number to the nearest 10: ______