Rational Numbers and Their Operations
Math ⇒ Number and Operations
Rational Numbers and Their Operations starts at 6 and continues till grade 12.
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See sample questions for grade 9
Express 0.444... as a fraction in simplest form.
Express -0.6 as a fraction in simplest form.
Express 0.75 as a fraction in simplest form.
Express 2.16 (where 6 is repeating) as a rational number in simplest form.
If x = 1/2 and y = 1/3, what is x - y?
If x = 2/3 and y = -1/2, what is x + y?
If x = -2/7 and y = 3/14, what is x + y?
If x = 3/5 and y = 2/3, what is x × y?
If a rational number is negative, which of the following must be true?
(1) Numerator and denominator have the same sign
(2) Numerator and denominator have opposite signs
(3) Both numerator and denominator are negative
(4) Both numerator and denominator are positive
Which of the following is a non-terminating, repeating decimal?
(1) 0.5
(2) 0.333...
(3) 0.25
(4) 0.125
Which of the following is a rational number?
(1) 0.1010010001...
(2) 0.25
(3) π
(4) √7
Which of the following is a terminating decimal?
(1) 1/3
(2) 2/5
(3) 2/7
(4) 1/6
A rational number is defined as any number that can be expressed as _______ where p and q are integers and q ≠ 0.
Add: -2/3 + 5/6 = _______
Divide: (5/6) ÷ (2/3) = _______
Divide: (-7/8) ÷ (1/4) = _______
If a and b are integers and b ≠ 0, then a/b is a rational number. Yes or No?
Is 0 a rational number?
True or False: Every integer is a rational number.
True or False: Every rational number can be written as a unique decimal expansion.
