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Pre-Algebra Core Concepts

Mathematics

A collection of essential pre-algebraic topics including operations, exponents, and expressions.

algebra arithmetic pre-algebra
18 Questions Medium Ages 12+ Jul 19, 2026

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About this Study Set

This study set covers Mathematics through 18 practice questions. A collection of essential pre-algebraic topics including operations, exponents, and expressions. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 18 questions from the Pre-Algebra Core Concepts study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the value of 3^4?
  • A 12
  • B 27
  • C 81
  • D 64
2 Which property is represented by the equation a(b + c) = ab + ac?
  • A Commutative
  • B Associative
  • C Distributive
  • D Identity
3 What is the result of simplifying 5x + 3y - 2x + 4y?
  • A 3x + 7y
  • B 7x + 7y
  • C 3x - y
  • D 8xy
4 What is the correct order of operations according to BODMAS?
  • A Brackets, Orders, Division, Multiplication, Addition, Subtraction
  • B Brackets, Operations, Division, Multiplication, Addition, Subtraction
  • C Base, Orders, Division, Multiplication, Addition, Subtraction
  • D Brackets, Orders, Division, Modulo, Addition, Subtraction
5 Which of the following is a prime number?
  • A 1
  • B 9
  • C 15
  • D 17
6 What is the value of x if 2x - 5 = 11?
  • A 3
  • B 8
  • C 7
  • D 6
7 What is the greatest common factor (GCF) of 12 and 18?
  • A 2
  • B 3
  • C 6
  • D 9
8 What is the product of -4 and -7?
  • A -28
  • B 28
  • C -11
  • D 11
9 Which expression is equivalent to 10^-2?
  • A -100
  • B 0.01
  • C 1/20
  • D -0.01
10 What is the square root of 144?
  • A 12
  • B 14
  • C 16
  • D 18
11 How is 0.005 expressed in scientific notation?
  • A 5 x 10^-2
  • B 5 x 10^-3
  • C 5 x 10^-4
  • D 0.5 x 10^-2
12 Solve for x: x/4 = 12
  • A 3
  • B 16
  • C 48
  • D 36
13 What is the absolute value of -15?
  • A -15
  • B 0
  • C 15
  • D 1/15
14 Which fraction is equivalent to 0.75?
  • A 1/3
  • B 2/5
  • C 3/4
  • D 7/5
15 What is the sum of the interior angles of a triangle?
  • A 90 degrees
  • B 180 degrees
  • C 270 degrees
  • D 360 degrees
16 Which of these represents a rational number?
  • A √2
  • B π
  • C 0.5
  • D e
17 What is 20% of 80?
  • A 10
  • B 12
  • C 16
  • D 20
18 Evaluate 2x^2 when x = 3.
  • A 12
  • B 18
  • C 36
  • D 6
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