Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 65 by rounding each number to the nearest 10: ______
- Estimate 48 + 43 by rounding each number to the nearest 10: ______
- Estimate 89 + 56 by rounding each number to the nearest 10: ______
- Estimate 70 + 48 by rounding each number to the nearest 10: ______
- Estimate 70 + 43 by rounding each number to the nearest 10: ______
- Estimate 69 − 74 by rounding each number to the nearest 10: ______
- Estimate 45 + 48 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 86 + 23 by rounding each number to the nearest 10: ______
- Estimate 56 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 − 28 by rounding each number to the nearest 10: ______
- Estimate 83 + 62 by rounding each number to the nearest 10: ______
- Estimate 26 − 38 by rounding each number to the nearest 10: ______
- Estimate 32 + 55 by rounding each number to the nearest 10: ______
- Estimate 56 − 89 by rounding each number to the nearest 10: ______
- Estimate 76 + 42 by rounding each number to the nearest 10: ______
- Estimate 68 − 81 by rounding each number to the nearest 10: ______
- Estimate 63 + 53 by rounding each number to the nearest 10: ______
- Estimate 48 − 77 by rounding each number to the nearest 10: ______
- Estimate 21 − 73 by rounding each number to the nearest 10: ______