Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 55 + 74 by rounding each number to the nearest 10: ______
- Estimate 88 − 44 by rounding each number to the nearest 10: ______
- Estimate 24 + 61 by rounding each number to the nearest 10: ______
- Estimate 85 + 50 by rounding each number to the nearest 10: ______
- Estimate 87 + 82 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 50 − 41 by rounding each number to the nearest 10: ______
- Estimate 73 + 22 by rounding each number to the nearest 10: ______
- Estimate 59 − 47 by rounding each number to the nearest 10: ______
- Estimate 33 + 31 by rounding each number to the nearest 10: ______
- Estimate 21 − 26 by rounding each number to the nearest 10: ______
- Estimate 70 + 54 by rounding each number to the nearest 10: ______
- Estimate 86 − 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 87 by rounding each number to the nearest 10: ______
- Estimate 44 − 65 by rounding each number to the nearest 10: ______
- Estimate 45 + 89 by rounding each number to the nearest 10: ______
- Estimate 57 − 21 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 43 − 83 by rounding each number to the nearest 10: ______
- Estimate 29 + 72 by rounding each number to the nearest 10: ______