Everyday Math

Grade 3, Unit 5Vocabulary

Ten-thousands The position, or place, in a number that defines the digit’s value. Ten-

thousand’s place is the 5th position to the left of the decimal.

ten-thousands thousands hundreds tens ones . tenths hundredths

24,367.19

Ten-thousands

Thousands The position, or place, in a number that defines the digit’s value.

Thousand’s place is the 4th position to the left of the decimal.

ten-thousands thousands hundreds tens ones . tenths hundredths

4,367.19

Thousands

MaximumThe largest amount; the greatest number in a set of data.

Maximum

MedianThe middle number in a set of data when the

numbers are put in order from smallest to largest, or from largest to smallest. Also known as the

middle number or middle value.

8 8 20 26 27 29 32

Median

> Greater-Than Symbol(is greater than) The symbol used to compare values. The value to the left of this symbol is

greater than the value to the right of this symbol.

10 > 2

14 ft 7 in. > 13 ft 11 in.

1.23 > 1.2

>

< Less-Than Symbol(is less than) The symbol used to compare values. The value to the left of this symbol is less than the

value to the right of this symbol.

2 < 10

13 ft 11 in. < 14 ft 10 in.

1.2 < 1.23<

Hundred-thousandsThe position, or place, in a number that defines the digit’s value.

Hundred-thousand’s place is the 6th position to the left of the decimal.

hundred-thousands

ten-thousands thousands hundreds tens ones . tenths

524,367.19

Hundred-thousands

MillionsThe position, or place, in a number that defines the digit’s value.

Million’s place is the 7th position to the left of the decimal.

millions hundred-thousands

ten-thousands thousands hundreds tens ones . tenths

8,524,367.19Millions

PopulationThe number of people who live in a place.

The population of the United States is about 295 million.

CensusAn official count of population.

The official U.S. Census data are compiled every 10 years.

Pie Graph A pie graph (or a circle graph) is a circular chart

divided into sections, illustrating percents or parts of a whole.

CubeA regular polyhedron with 6 square faces. A cube

has 8 vertices and 12 edges.

LongThe base-10 block consisting of 10

1-cm cubes. Sometimes called a rod.

Long

FlatThe base-10 block consisting of 100

1-cm cubes.

Flat

Big CubeThe base-10 block cube that measures 10 cm by 10 cm by 10 cm. A big cube consists

of 1,000 1-cm cubes.

Big Cube

Tenths The position, or place, in a number that defines the digit’s value.

Tenth’s place is the 1st position to the right of the decimal.

ten-thousands thousands hundreds tens ones . tenths hundredths

24,367.19

Tenths

Hundredths The position, or place, in a number that defines the digit’s value. Hundredth’s place is the 2nd position to the right of the decimal.

ten-thousands thousands hundreds tens ones . tenths hundredths

24,367.19

Hundredths

Decimeter (dm)A metric unit of length equivalent to

1/10 meter or 10 centimeters.

PrecipitationThe amount of rainfall (rain, snow and

hail) that falls to the ground.

Precipitation

ThousandthsThe position, or place, in a number that defines the digit’s value. Thousandth’s place is the 3rd position to the right of the decimal.

thousands hundreds tens ones . tenths hundredths thousandths

24,367.198

Thousandths

Millimeter (mm)A metric unit of length equivalent to 1/2 of a

centimeter or 1/1,000 of a meter.

Line GraphA graph in which data points are connected by line

segments.