1. Fractions, percentages and decimals

2. Always remember: denominator can NEVER be 0. Why?
What is a fraction?
When an object is divided into a number of equal parts then each part is called a fraction.
Two fifths of an object can be written as:
numerator says how many parts in the fraction _ "divide by" denominator says how many equal parts in the whole object
Always remember: denominator can NEVER be 0. Why?
4 total sections (denominator)
2 are pink (numerator) 2 4

3. fractions

4. What is a percentage?
A percent is another way to identify a part of a whole.
A percent is a fraction where the denominator is Percentages are always out of 100.
15% = 15/100
26% = 26/100
Sale 25% off!!! – You are saving 25c for each dollar that you spend.

5. percentages

6. What is a decimal?
A Decimal Number (based on the number 10) contains a Decimal Point.
To understand decimal numbers you must first know about Place Value.

7. A decimal has two parts,
the integer part (whole part)
the fractional part, which starts with the dot character (bits and pieces)
Consider this decimal number: 2.5.
The integer part is 2 and the fractional part is .5.