Which Fractions Give Terminating Decimals Worksheet with Answer Key

What's on the worksheet

1. Without dividing, decide if each decimal stops or repeats, and count the places:
   \dfrac{3}{50}\dfrac{5}{48}\dfrac{14}{35}\dfrac{9}{160}\dfrac{21}{56}
2. Word problem: compare Hannah's free throw fractions by rewriting them over the same denominator.
3. Use split denominators to decide if the decimal stops, and write it:
   \dfrac{7}{2^3 \times 5^5}\dfrac{3}{2^2 \times 3 \times 5}\dfrac{9}{2^6 \times 3^2}\dfrac{14}{2 \times 5^2 \times 7}\dfrac{10}{2 \times 3 \times 5^2}
4. Write each sum or difference as one fraction, then decide if its decimal stops:
5. Explain Kofi's mistake about the number of decimal places for 3 over 80.
6. Find the smallest and largest denominators with exactly 4 decimal places.