An angle that is smaller than 90 degrees
What is an acute angle?
The number of equal parts in a whole
What is the denominator?
All of the pairs of numbers you can multiply to get a certain product
What are factors?
A shortcut operation for adding equal groups together
What is multiplication?
The distance around a rectangle or other figure
What is perimeter?
A shape with four sides, and two sets of parallel sides
What is a rectangle?
What is four hundredths?
A letter that represents an unknown quantity
What is a variable?
85,205 is ____ compared to 85,250
What is lesser or smaller than?
The base metric unit for measuring length
What is a meter?
360 degrees
What is the measurement of a full circle?
Two or more fractions that represent the same portion of a whole
What are equivalent fractions?
They undo each other, like addition and subtraction
What are inverse operations?
The word that describes the quantity left after subtraction
What is the difference?
The unit of customary (not metric) measurement we would use to measure the amount of water in a bathtub
What is a gallon?
The degrees you've gone around a circle when the clock moves from 1:00 to 1:30
What is 180 degrees?
A fraction with a numerator of 1
What is a unit fraction?
A number that has more than one factor pair
What is a composite number?
An operation that is the same as repeated subtraction
What is division?
The number of centiliters in two liters
What is 200?
A triangle with exactly 2 equal sides
What is an isosceles triangle?
A strategy we can use to easily compare decimals when one is a tenth and one is a hundredth
What is adding a zero at the end or right side of a decimal?
An equation that has a variable alone on one side that shows how to solve a problem
What is a solution equation?
A group of equal rows and columns arranged in a rectangle
What is an array?
The number of ounces in a pound
What is 16?