addition
"In addition to her regular duties, she also volunteered to organize the charity event."
The process of finding the difference between two numbers by taking one number away from another.
"Subtraction is used to find out how much more 9 is than 4."
The process of finding the total number of items in groups of equal size.
"In multiplication, 4 times 5 equals 20."
division
"The division of labor in the project allowed each team member to focus on their strengths."
A part of a whole, represented using a numerator and a denominator.
"One-half is a common fraction, written as 1/2."
A number that includes a decimal point followed by digits showing values less than one.
"A common decimal is 0.75, which is equivalent to 75%."
percentage
"The percentage of students passing the exam increased significantly this year."
The value of where a digit is in a number.
"In the number 345, the place value of 4 is tens."
A symbol (>) used to compare two numbers where one is larger than the other.
"5 is greater than 3."
A symbol (<) used to compare two numbers where one is smaller than the other.
"3 is less than 5."
A symbol (=) used when two values are the same.
"4 is equal to 4."
A mathematical statement that shows that two expressions are equal.
"An example of an equation is 2 + 3 = 5."
The total distance around the edge of a shape.
"The perimeter of a rectangle is found by adding all the sides."
angle
"She took a photograph from a unique angle that highlighted the beauty of the landscape."
A 4-sided flat shape with straight sides where all interior angles are right angles and opposite sides are equal.
"A rectangle has two longer sides and two shorter sides."
square
"The garden was beautifully arranged with a square patch of vibrant flowers in the center."