Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 52 + 21 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 47 by rounding each number to the nearest 10: ______
- Estimate 43 + 47 by rounding each number to the nearest 10: ______
- Estimate 84 − 81 by rounding each number to the nearest 10: ______
- Estimate 72 + 84 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 82 − 23 by rounding each number to the nearest 10: ______
- Estimate 60 + 36 by rounding each number to the nearest 10: ______
- Estimate 82 + 73 by rounding each number to the nearest 10: ______
- Estimate 27 − 68 by rounding each number to the nearest 10: ______
- Estimate 25 − 69 by rounding each number to the nearest 10: ______
- Estimate 58 + 87 by rounding each number to the nearest 10: ______
- Estimate 27 + 66 by rounding each number to the nearest 10: ______
- Estimate 87 − 25 by rounding each number to the nearest 10: ______
- Estimate 52 − 70 by rounding each number to the nearest 10: ______
- Estimate 59 − 76 by rounding each number to the nearest 10: ______
- Estimate 26 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 + 33 by rounding each number to the nearest 10: ______
- Estimate 34 − 28 by rounding each number to the nearest 10: ______