Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 61 by rounding each number to the nearest 10: ______
- Estimate 59 + 43 by rounding each number to the nearest 10: ______
- Estimate 68 + 48 by rounding each number to the nearest 10: ______
- Estimate 59 − 75 by rounding each number to the nearest 10: ______
- Estimate 45 − 65 by rounding each number to the nearest 10: ______
- Estimate 81 + 76 by rounding each number to the nearest 10: ______
- Estimate 28 + 42 by rounding each number to the nearest 10: ______
- Estimate 45 − 52 by rounding each number to the nearest 10: ______
- Estimate 52 + 33 by rounding each number to the nearest 10: ______
- Estimate 75 + 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 76 by rounding each number to the nearest 10: ______
- Estimate 75 + 73 by rounding each number to the nearest 10: ______
- Estimate 70 + 69 by rounding each number to the nearest 10: ______
- Estimate 36 − 64 by rounding each number to the nearest 10: ______
- Estimate 77 + 33 by rounding each number to the nearest 10: ______
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 71 − 81 by rounding each number to the nearest 10: ______
- Estimate 59 + 31 by rounding each number to the nearest 10: ______
- Estimate 74 − 69 by rounding each number to the nearest 10: ______
- Estimate 32 + 61 by rounding each number to the nearest 10: ______