Geometry
Fractions & Decimals
Equations & Problem-solving
Operations
Measurement
100

An angle that is smaller than 90 degrees

What is an acute angle?

100

The number of equal parts in a whole

What is the denominator?

100

All of the pairs of numbers you can multiply to get a certain product

What are factors?

100

A shortcut operation for adding equal groups together

What is multiplication?

100

The distance around a rectangle or other figure

What is perimeter?

200

A shape with four sides, and two sets of parallel sides

What is a rectangle?

200
0.04

What is four hundredths?

200

A letter that represents an unknown quantity

What is a variable?

200

85,205 is ____ compared to 85,250

What is lesser or smaller than?

200

The base metric unit for measuring length

What is a meter?

300

360 degrees

What is the measurement of a full circle?

300

Two or more fractions that represent the same portion of a whole

What are equivalent fractions?

300

They undo each other, like addition and subtraction

What are inverse operations?

300

The word that describes the quantity left after subtraction

What is the difference?

300

The unit of customary (not metric) measurement we would use to measure the amount of water in a bathtub

What is a gallon?

400

The degrees you've gone around a circle when the clock moves from 1:00 to 1:30

What is 180 degrees?

400

A fraction with a numerator of 1

What is a unit fraction?

400

A number that has more than one factor pair

What is a composite number?

400

An operation that is the same as repeated subtraction

What is division?

400

The number of centiliters in two liters

What is 200?

500

A triangle with exactly 2 equal sides

What is an isosceles triangle?

500

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?

500

An equation that has a variable alone on one side that shows how to solve a problem

What is a solution equation?

500

A group of equal rows and columns arranged in a rectangle

What is an array?

500

The number of ounces in a pound

What is 16?