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Mathematics Foundations Challenge

Basic Math

A collection of intermediate math problems covering arithmetic, geometry, and number properties for students.

arithmetic geometry number theory
20 Questions Medium Ages 9+ Nov 6, 2026

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About this Study Set

This study set covers Basic Math through 20 practice questions. A collection of intermediate math problems covering arithmetic, geometry, and number properties for students. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 20 questions from the Mathematics Foundations Challenge study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the product of 14 and 12?
  • A 156
  • B 168
  • C 172
  • D 144
2 Which of the following is a prime number?
  • A 15
  • B 21
  • C 29
  • D 33
3 How many degrees are in a straight angle?
  • A 90
  • B 180
  • C 270
  • D 360
4 What is 25% of 200?
  • A 25
  • B 40
  • C 50
  • D 75
5 Which number is the result of 7 squared?
  • A 14
  • B 42
  • C 47
  • D 49
6 What is the perimeter of a rectangle with a length of 8cm and a width of 5cm?
  • A 13cm
  • B 26cm
  • C 40cm
  • D 18cm
7 If a triangle has two equal sides, what is it called?
  • A Scalene
  • B Equilateral
  • C Isosceles
  • D Right
8 What is the value of 15 minus negative 5?
  • A 10
  • B 20
  • C -10
  • D -20
9 How many sides does a heptagon have?
  • A 5
  • B 6
  • C 7
  • D 8
10 What is the smallest common multiple of 4 and 6?
  • A 8
  • B 10
  • C 12
  • D 24
11 What is the result of 10 to the power of 3?
  • A 30
  • B 100
  • C 1000
  • D 3000
12 Which fraction is equivalent to 0.5?
  • A 1/2
  • B 1/3
  • C 1/4
  • D 2/5
13 How many millimetres are in 3 centimetres?
  • A 3
  • B 30
  • C 300
  • D 3000
14 What is the square root of 81?
  • A 7
  • B 8
  • C 9
  • D 11
15 Which number represents the 'identity property' of multiplication?
  • A 0
  • B 1
  • C 2
  • D 10
16 What is the sum of the interior angles of a triangle?
  • A 90
  • B 180
  • C 270
  • D 360
17 How many grams are in 2.5 kilograms?
  • A 25
  • B 250
  • C 2500
  • D 25000
18 If a clock shows 3:30, what type of angle is formed by the hands?
  • A Acute
  • B Obtuse
  • C Right
  • D Reflex
19 What is the quotient of 144 divided by 12?
  • A 10
  • B 11
  • C 12
  • D 14
20 Which of these numbers is a composite number?
  • A 2
  • B 13
  • C 17
  • D 21
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