Real Number System
Math ⇒ Number and Operations
Real Number System starts at 8 and continues till grade 12.
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See sample questions for grade 9
Express √50 in simplest radical form.
Express 0.6 (repeating) as a fraction in simplest form.
If a number can be written as a/b, where a and b are integers and b ≠ 0, what type of number is it?
If a number is not rational, what type of real number must it be?
If x = √16, what is the value of x?
Is the number √81 rational or irrational?
Is the number -2.5 rational or irrational?
Is the number π (pi) rational or irrational?
Which of the following is a non-terminating, non-repeating decimal?
(1) 0.5
(2) 0.333...
(3) 0.123456789101112...
(4) 0.25
Which of the following is a property of addition for real numbers?
(1) Distributive property
(2) Commutative property
(3) Multiplicative inverse
(4) None of these
Which of the following is a rational number?
(1) √3
(2) 0.121212...
(3) π
(4) √5
Which of the following is a terminating decimal?
(1) 1/3
(2) 2/5
(3) 2/7
(4) 1/6
Fill in the blank: The decimal expansion of a rational number is either ________ or eventually repeating.
Fill in the blank: The decimal expansion of an irrational number is ________ and non-repeating.
Fill in the blank: The multiplicative identity in the set of real numbers is ________.
Fill in the blank: The set of real numbers is made up of the set of rational numbers and the set of ________ numbers.
Is the number 0 rational?
Is the product of a nonzero rational number and an irrational number always irrational?
Is the sum of a rational number and an irrational number always irrational?
True or False: All real numbers can be written as fractions.
