Lesson 1: Explain the size of the product, and relate fraction and decimal equivalence to multiplying a fraction by 1. — Practice Questions

1. 1. To convert the fraction $\frac{9}{20}$ to a decimal, what number should you multiply the numerator and denominator by to make the denominator 100?

   • A. 2
   • B. 4
   • C. 5
   • D. 10

2. 2. Convert the fraction $\frac{3}{4}$ to a decimal by first creating an equivalent fraction with a denominator of 100. The decimal is ___.

3. 3. Convert the fraction $\frac{9}{5}$ to a decimal. Hint: first find an equivalent fraction with a denominator of 10. The decimal is ___.

4. 4. To convert $\frac{3}{8}$ to a decimal, you must first find an equivalent fraction with a denominator of 1000. What is this decimal? ___

5. 5. Which equivalent fraction would be used to convert $\frac{2}{5}$ into a decimal?

   • A. $\frac{20}{50}$
   • B. $\frac{4}{10}$
   • C. $\frac{40}{100}$
   • D. $\frac{5}{2}$

6. 6. To convert the fraction $\frac{3}{20}$ to a decimal by making the denominator 100, what number should you multiply both the numerator and the denominator by?

   • A. 2
   • B. 5
   • C. 10
   • D. 20

7. 7. Convert the fraction $\frac{2}{5}$ into a decimal by first creating an equivalent fraction with a denominator of 10. The decimal equivalent is ___.

8. 8. Convert the fraction $\frac{13}{25}$ to a decimal. The decimal is ___.

9. 9. What is the decimal equivalent of the fraction $\frac{3}{8}$?

   • A. 0.3
   • B. 0.38
   • C. 0.125
   • D. 0.375