Fractions Grade 3, Fractions on a number line (Grade 3)

fractions

An expression that indicates the quotient of two quantities, such as 1/3

numerator

The top number in a fraction that represents the number of pieces.

denominator

The bottom number in a fraction that represent the number of pieces that make a whole number.

whole

A complete number

half

two halves

is one whole

one third

divided into 3 equal parts

one fourth

divided into 4 equal parts

one fifth

divided into 5 equal parts

one sixth

divided into 6 equal parts

number line

a line on which numbers are marked at intervals, used to illustrate simple numerical operations.

Fractions

1/2
A way of showing part of a whole

Numerator

The top number in a fraction that shows the parts that you have.

Denominator

The bottom number of a fraction shows how many equal parts you need to make a whole.

whole number

A number that does not contain a fraction or decimal

equal parts

the spaces between the tick marks on number line

is less than

1/2 < 1
is smaller than

is greater than

1 1/4 > 1
is larger than