Introduction to Fractions Kristi Walker 4 th Grade

VOCABULARY: o Fraction o Numerator o Denominator

Fraction: A part of a whole number. Example: 1/2 Note: A fraction can be written like 1/2 or like 1. Both mean the same thing! 2

Denominator: In a fraction, the denominator is the number below the line. It shows how many equal parts the whole is divided into. Example: 2/3 The denominator is 3.

Numerator: In a fraction, the numerator is the number above the line. It shows how many parts of the denominator are taken. Example: 2/3 The numerator is 2.

Parts of a Fraction 3 4 = the number of parts = the whole

Parts of a Fraction 3 4 = numerator = denominator

Which number is circled? 3 4 = denominator

Which number is circled? 3 4 = numerator

What fraction of the balls are red? 3 4

1 4

1 6

4 6

What fraction of the rectangle is red? 4 6

2 6

What fraction of the pie is red? 4 4

3 4

What fraction of the musical instruments have strings? 2 5

What fraction of the fish have stripes? 3 5

What fraction of the arrows hit the bullseye? 1 3

What fraction of the pins are knocked down? 3 10

How many halves are in a whole? 2 1/2

How many quarters are in a whole? 4 1/4

How many eighths are in a whole? 8 1/8 1/8

How many eighths are in a quarter? 2 1/4 1/8

How many eighths are in a half? 4 1/2 1/8 1/8

How many quarters are in a half? 2 1/4 1/4 1/2

How many thirds are in a whole? 3 1/3 1/3

How many sixths are in a whole? 6 1/6 1/6

How many sixths are in a third? 2 1/6 1/3

How many sixths are in a half? 3 1/6 1/21/6

How many fifths are in a whole? 5 1/5

How many tenths are in a whole? 10 1/10

How many tenths are in a fifth? 2 1/5 1/10

How many tenths are in a half? 5 1/10 1/2