← Back to the activity

Class 7 Maths — Rational numbers

Place, compare, add and subtract numbers that can be written as one whole number over another.

Name: ________________________

  1. 1.1/2 - 3/4 = ? Write your answer as a fraction.

  2. 2.What is the reciprocal of -3/5? Write your answer as a fraction.

  3. 3.Match each rational number to its opposite — the number the same distance from zero on the other side.

    • 3/4
    • -2/5
    • 1/2
    • -7
    • 5/6
    • -5/6
    • -1/2
    • 7
    • -3/4
    • 2/5

  4. 4.-2/3 - 1/6 = ? Write your answer as a fraction.

  5. 5.Which is greater: -3/4 or -2/3?

    • a) -2/3
    • b) They are equal
    • c) Negative fractions cannot be compared
    • d) -3/4

  6. 6.-3/4 + 1/4 = ? Write your answer as a fraction.

  7. 7.Tap where -5/4 sits.

    Mark the line with an X.

    -2.00-1.000.001.002.00

  8. 8.Every whole number is also a rational number. Why?

    • a) Because it can be written as a fraction with 1 on the bottom
    • b) Because it is always bigger than a fraction
    • c) Because it never has a decimal point
    • d) Because it is always positive

Answer key — Class 7 Maths — Rational numbers

  1. 1. -1/4
  2. 2. -5/3
  3. 3. 3/4 → -3/4; -2/5 → 2/5; 1/2 → -1/2; -7 → 7; 5/6 → -5/6
  4. 4. -5/6
  5. 5. a) -2/3
  6. 6. -1/2
  7. 7. -1.25
  8. 8. a) Because it can be written as a fraction with 1 on the bottom