Math riddles

Front

What is a triangle?

Back

A triangle is a three-sided polygon. It has three edges and three vertices.

Front

How do you find the number of triangles in a figure?

Back

Count all the distinct triangles formed by the lines in the figure.

Front

What does the symbol '>' mean in math?

Back

The symbol '>' means 'greater than'.

Front

If Tom says, 'In two years I will be twice as old as I was five years ago', how do you set up the equation?

Back

Let Tom's current age be x. The equation is: x + 2 = 2(x - 5).

Front

How do you calculate the total number of goats if there are 5 pens with 9 goats each?

Back

Multiply the number of pens by the number of goats per pen: 5 * 9 = 45.

Front

What is the order of operations in math?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

What is a riddle?

Back

A riddle is a question or statement that has a double or hidden meaning, often presented as a puzzle to be solved.

Front

How do you compare two numbers using <, >, or =?

Back

Use '<' for less than, '>' for greater than, and '=' for equal to.

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is the difference between a problem and a question in math?

Back

A problem is a mathematical situation that requires a solution, while a question is an inquiry that may or may not require a solution.