Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 + 34 by rounding each number to the nearest 10: ______
- Estimate 83 + 51 by rounding each number to the nearest 10: ______
- Estimate 68 − 82 by rounding each number to the nearest 10: ______
- Estimate 42 − 30 by rounding each number to the nearest 10: ______
- Estimate 21 − 52 by rounding each number to the nearest 10: ______
- Estimate 57 + 21 by rounding each number to the nearest 10: ______
- Estimate 75 − 38 by rounding each number to the nearest 10: ______
- Estimate 42 + 71 by rounding each number to the nearest 10: ______
- Estimate 87 − 83 by rounding each number to the nearest 10: ______
- Estimate 86 + 48 by rounding each number to the nearest 10: ______
- Estimate 66 − 52 by rounding each number to the nearest 10: ______
- Estimate 52 − 85 by rounding each number to the nearest 10: ______
- Estimate 87 − 81 by rounding each number to the nearest 10: ______
- Estimate 71 − 32 by rounding each number to the nearest 10: ______
- Estimate 71 + 75 by rounding each number to the nearest 10: ______
- Estimate 62 − 28 by rounding each number to the nearest 10: ______
- Estimate 38 + 61 by rounding each number to the nearest 10: ______
- Estimate 32 − 54 by rounding each number to the nearest 10: ______
- Estimate 78 + 58 by rounding each number to the nearest 10: ______
- Estimate 44 − 39 by rounding each number to the nearest 10: ______