Math Exam 2026/2027: 100 Practice Questions & Answers

Mathematics Exam 2026/2027: 100 Practice
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,Mathematics Exam 2026/2027: 100 Practice Questions with Answers

Section A: Number Systems and Classification

Question 1
Which of the following best describes whole numbers?
A. All positive integers including zero
B. All positive and negative integers including zero
C. Any number that can be written as a fraction
D. Numbers that cannot be expressed as fractions

Answer: A

Explanation: Whole numbers are defined as the set of all non-negative integers, which includes
zero and all positive integers (0, 1, 2, 3, ...). They do not include negative numbers or fractional
values.

Question 2
Which set includes both positive and negative numbers as well as zero?
A. Whole numbers
B. Natural numbers
C. Integers
D. Irrational numbers

Answer: C

Explanation: Integers encompass all whole numbers and their negative counterparts, including
zero. The integer set is {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Question 3
A rational number can be defined as:
A. Any number that terminates or repeats as a decimal
B. Any number that cannot be expressed as a fraction

,C. Only positive numbers that are whole
D. Numbers that are always greater than one

Answer: A

Explanation: Rational numbers are those that can be written as a fraction p/q where p and q are
integers and q ≠ 0. These numbers either terminate (e.g., 0.75) or repeat in decimal form (e.g.,
0.333...).

Question 4
Which of the following is an irrational number?
A. 2/3
B. 0.75
C. √16
D. π

Answer: D

Explanation: π (pi) is irrational because it cannot be expressed as a simple fraction and its
decimal representation never terminates or repeats. √16 = 4, which is rational, and 2/3 and 0.75
are rational numbers.

Question 5
Real numbers consist of:
A. Only rational numbers
B. Only irrational numbers
C. The union of rational and irrational numbers
D. Only positive integers

Answer: C

Explanation: Real numbers form a complete set that includes every rational number (fractions,
integers, terminating and repeating decimals) and every irrational number (non-repeating, non-
terminating decimals such as π, √2, and e).

, Section B: Arithmetic Operations and Fractions

Question 6
When adding fractions with different denominators, the first step is to:
A. Multiply the numerators together
B. Add the numerators as they are
C. Find the least common denominator
D. Convert both fractions to decimals

Answer: C

Explanation: Fractions must share a common denominator before addition or subtraction can
occur. The least common denominator is the smallest number that both original denominators
divide into evenly, allowing for proper conversion of each fraction.

Question 7
Simplify the fraction 12/18 to its lowest terms.
A. 6/9
B. 4/6
C. 2/3
D. 3/4

Answer: C

Explanation: To simplify 12/18, identify the greatest common factor of 12 and 18, which is 6.
Dividing both numerator and denominator by 6 yields 2/3. No further simplification is possible
since 2 and 3 share no common factors other than 1.

Question 8
Convert the improper fraction 22/5 to a mixed fraction.
A. 4 2/5
B. 4 1/5
C. 5 2/5
D. 4 3/5