Rational Numbers
Videos
2
Notes
2
PYQ MCQs
20
Subjective Assessment · Mathematics · Rational Numbers
16 questions · 52 marks · write your answer (or on paper), then reveal the scoring key to self-assess.
Short Answer
5 questions × 2 marks- 12 marks
Write the definition of a rational number and give two examples.
- 22 marks
Write three rational numbers between 0 and 1.
- 32 marks
Add: (−3/4) + 5/4.
- 42 marks
State the multiplicative identity of rational numbers.
- 52 marks
Why is 5/0 not defined as a rational number?
- 62 marks
Add: (−3/4) + 5/4. Show your steps.
Medium Answer
5 questions × 3 marks- 13 marks
Simplify, showing your steps: 2/3 + 5/6.
- 23 marks
Represent −7/4 and 11/4 on the same number line.
- 33 marks
State any three properties of rational numbers with an example each.
- 43 marks
Express 7/(−21) in standard form.
- 53 marks
Which is greater: −5/7 or −2/3? Justify your answer.
Long Answer
5 questions × 5 marks- 15 marks
Subtract, showing each step: 3/4 − (−5/6).
- 25 marks
Explain the closure property of rational numbers under addition with two examples.
- 35 marks
Find the rational number x such that 2/5 + x = −1/3.
- 45 marks
Explain the commutative and associative properties of addition of rational numbers with examples.
- 55 marks
Represent 4/5 on a number line and explain how you divide the unit interval.