Math Academic Vocabulary
Words will be highlighted once they are covered in class.
area- the number of square units needed to cover a region. (pg. 468)
array- A way of displaying objects in rows and columns. (pg. 262)
bar graph- a graph using bars to show data. (pg. 212)
commutative property of Addition- Numbers can be added in any order and the sum will be the same. (pg. 66)
commutative property of multiplication- Numbers can be multiplied in any order and the product will be the same. (pg. 262)
data- Pieces of collected information. (pg. 204)
denominator- The number below the fraction bar in a fraction, the total number of equal parts in all. (pg. 502)
division- An operation that tells how many equal groups there are or how many are in each group. (pg. 370)
edge- A line segment where two faces of a solid figure meet. (pg. 432)
face- A flat surface of a solid that does not roll. (pg. 432)
factors- Numbers that are multiplied together to give a product.
(pg. 260) example: 7x3=21 The factors are 7 and 3.
multiple- The product of the number and any other whole number.
(pg. 276) example: 0,4,8,12, and 16 are multiples of 4.
multiplication- An operation that gives the total number when you put together equal groups. (pg. 260)
numerator- The number above the fraction bar in a fraction. (pg. 502)
ordered pairs- Two numbers used to name a point on a coordinate grid. (pg. 218)
perimeter- The distance around a figure. (pg. 464)
pictograph- A graph using pictures or symbols to show data. (pg. 212)
probability- The chance an event will happen. (pg. 704)
product- The answer to a multiplication problem. (pg. 260)
rounding- Replacing a number with a number that tells about how much or how many to the nearest ten, hundred, thousand, and so on. (pg. 29) example: 42 rounded to the nearest ten is 40.
vertex- The point where two rays meet to form an angle. The points where the sides of a polygon meet. The points where 3 or more edges meet in a solid figure. (pg. 432, 444, 446)