# Vocab Week 4

## 20 terms

### array

The arrangement of the units of a number in rows and columns

### capacity

The amount a container can hold.

### estimate

A close guess of the actual value; usually with some thought or calculation involved.

### grid

Horizontal and vertical lines on a map.

### hexagon

A polygon with 6 sides and 6 angles.

### frequency

The number of times an event occurs.

### stem

A tens digit in a stem-and-leaf-pllot

### trundle wheel

A wheel that rolls to determine long distances.

### hundredth

One of one hundred equal parts.

### obtuse triangle

A triangle that has one angle greater than a right angle.

### octagon

A polygon with eight sides.

### ordered pair

A pair of numbers used to locate a point on a grid.

### square

A quadrilateral with two pairs of parallel sides, four equal sides, and four right angles.

### pint (pt)

A customary unit for measuring capacity; equal to 2 cups.

### place value

Determines the value of a digit in a number, based on the location of the digit.

### plane

A flat surface that goes on and on in all directions.

### pictograph

A graph that uses pictures to show and compare information.

### right triangle

A triangle with one right angle.