# ESL Vocabulary for Maths Symbols

## Maths Symbols

The following page has learning games and example sentences using the following 11 words from the "maths symbols" category:
Understanding math symbols is important for mathematics discussions and problem-solving.

## Memory Game

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• Your mission is to pair pictures with their correct titles in as few a clicks as possible.
• Click on a card to turn it. Next, try to find its partner by clicking on a second card. (If you fail to find a match with your second click, both cards will turn again.)
• This is a memory game as well as a vocabulary-learning game.
• Click on your first card to start. Good luck!
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## Example Sentences

to combine two or more numbers or quantities to find their total or sum

Easy Examples

• When you add, you put numbers together to find the total.
• I add two apples and three more to get five in total.
• Adding helps you solve math problems.

Harder Examples

• She will add the numbers in the column to calculate the total.
• Adding fractions requires finding a common denominator.
• He added the cost of the items in his shopping cart.

## brackets

symbols used in mathematics to group numbers or expressions and indicate the order of operations

Easy Examples

• Brackets are used in math to group numbers or operations.
• In (3 + 2) Ã— 4, the brackets show that you add first.
• Brackets make math expressions clear.

Harder Examples

• In the equation, you should solve the expressions within the brackets first.
• Brackets help clarify the sequence of calculations in complex equations.
• He used brackets to enclose the terms that needed to be evaluated together.

## divide

to separate a number or quantity into equal parts or groups, often represented by the division symbol (Ã·)

Easy Examples

• To divide is to split a number into equal parts.
• If you have 10 candies and divide them equally among 2 friends, each gets 5.
• Division helps share things equally.

Harder Examples

• She will divide the pizza into eight equal slices for the party.
• Dividing decimals involves shifting the decimal point correctly.
• He divided the total expenses evenly among the team members.

## equals

a symbol (=) used to indicate that two expressions or quantities are of the same value or equivalent

Easy Examples

• Equals means two things have the same value.
• 2 + 3 equals 5 because they have the same value.
• The equals sign (=) shows that two things are the same.

Harder Examples

• In the equation, the equals sign shows that both sides are equal.
• Equals is a fundamental concept in algebra and mathematical comparisons.
• He wrote down the solution and added the equals sign to complete the equation.

## greater than

a mathematical comparison symbol (>) used to indicate that one quantity is larger or more significant than another

Easy Examples

• Greater than (>) means one number is bigger than another.
• 5 is greater than 3 because 5 is more.
• Greater than helps compare numbers.

Harder Examples

• Five is greater than three, as represented by the greater-than symbol.
• In inequalities, the greater-than sign points toward the larger value.
• He used the greater-than sign to compare the heights of two buildings.

## less than

a mathematical comparison symbol (<) used to indicate that one quantity is smaller or less significant than another

Easy Examples

• Less than (<) means one number is smaller than another.
• 2 is less than 7 because 2 is smaller.
• Less than helps compare numbers.

Harder Examples

• Two is less than four, as shown by the less-than symbol.
• In mathematical expressions, the less-than sign points toward the smaller value.
• She used the less-than symbol to compare the weights of two objects.

## multiply

to perform the mathematical operation of repeated addition, often represented by the multiplication symbol (Ã— or *)

Easy Examples

• Multiplying is adding a number many times.
• 3 Ã— 4 means you add 3 four times: 3 + 3 + 3 + 3 = 12.
• Multiplying helps calculate groups of things.

Harder Examples

• To find the area of a rectangle, you need to multiply its length and width.
• Multiplying fractions involves multiplying the numerators and denominators separately.
• He multiplied the number of guests by the cost per person to calculate the total expenses.

## not equal to

a mathematical comparison symbol (â‰ ) used to indicate that two quantities or expressions are not equal or are different

Easy Examples

• Not equal to (â‰ ) means two things are not the same.
• 2 + 3 is not equal to 6 because they are different.
• Not equal to shows differences.

Harder Examples

• In the equation, the not-equal-to sign indicates that the values are not the same.
• Not equal to is used to express inequality or dissimilarity in mathematics.
• He added the not-equal-to symbol to emphasize the distinction between the two options.

## percent

a mathematical concept represented by the symbol (%) to express a portion or fraction of a whole as a percentage

Easy Examples

• Percent (%) shows a part of a whole out of 100.
• 50% means half, like 50 out of 100.
• Percent helps express parts as fractions of 100.

Harder Examples

• The discount is 20 percent off the original price.
• To calculate the percentage, divide the part by the whole and multiply by 100.
• He converted the fraction into a percent to express the value as a ratio.

## pi

a mathematical constant (Ï€) representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159

Easy Examples

• Pi (Ï€) is a special number in math, about 3.14159.
• Pi is used in circles to find their size and shape.
• Pi is essential in geometry and math.

Harder Examples

• Pi is used in geometry and trigonometry to calculate circle-related measurements.
• The symbol Ï€ is often used to represent the value of pi in mathematical equations.
• He used pi to calculate the circumference of the circle.

## square root

a mathematical operation (âˆš) that determines a value when multiplied by itself equals a given number

Easy Examples

• The square root (âˆš) of a number is what you multiply by itself to get it.
• The square root of 9 is 3 because 3 Ã— 3 = 9.
• Square roots help find side lengths of squares.

Harder Examples

• The square root of 16 is 4, as indicated by the square root symbol.
• Square roots are used to find the length of the sides of square-shaped areas.
• She calculated the square root to find the length of the hypotenuse in a right triangle.
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