Rational numbers

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. Every number has an and every non-zero number has a
2. A rational number is defined as a ratio of
3. satisfies the equation 5x = 4
4. When you add, subtract or multiply two or more integers, you will get only an
5. If an orange is peeled off and 8 carpels are found, then one part of it represents the rational number
6. The collection of all numbers that can be written in the form

\frac{a}{b}

, where a and b are integers and b

\neq

0 is called numbers.
7. There are decimal numbers which are and
8.

\frac{-20}{35}

is an equivalent rational number to
9. If in a rational number

\frac{a}{b}

, the only common factor of a and b is 1 and b is positive, then the rational number is said to be in
10. The quotient of two numbers with different signs is a number.

Rational numbers

Gap-fill exercise