Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 + 72 by rounding each number to the nearest 10: ______
- Estimate 75 + 23 by rounding each number to the nearest 10: ______
- Estimate 21 − 48 by rounding each number to the nearest 10: ______
- Estimate 48 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 − 50 by rounding each number to the nearest 10: ______
- Estimate 48 − 73 by rounding each number to the nearest 10: ______
- Estimate 21 + 47 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 65 + 77 by rounding each number to the nearest 10: ______
- Estimate 23 − 80 by rounding each number to the nearest 10: ______
- Estimate 84 + 25 by rounding each number to the nearest 10: ______
- Estimate 44 − 35 by rounding each number to the nearest 10: ______
- Estimate 54 − 37 by rounding each number to the nearest 10: ______
- Estimate 72 + 74 by rounding each number to the nearest 10: ______
- Estimate 61 + 24 by rounding each number to the nearest 10: ______
- Estimate 21 − 84 by rounding each number to the nearest 10: ______
- Estimate 68 + 76 by rounding each number to the nearest 10: ______
- Estimate 26 + 22 by rounding each number to the nearest 10: ______
- Estimate 67 − 78 by rounding each number to the nearest 10: ______
- Estimate 81 − 77 by rounding each number to the nearest 10: ______