Download presentation

Presentation is loading. Please wait.

Published byDamon Cameron Modified over 3 years ago

1
**How do factor pairs relate to the dimensions of a rectangle?**

What are square numbers?

2
What are factor pairs? A factor pair consists of two whole numbers that are multiplied to get a product. Ex: All of the factor pairs of 18 are: 1, 18 2, 9 3, 6

3
**Factor Pairs and Rectangles**

Factor pairs of a number can be used to make rectangles with a given area. For example, if you have 18 tiles that you want to arrange into a rectangle, you can use the factor pairs listed on the previous slide to determine the rectangles’ dimensions (the side lengths).

4
**Factor Pairs and Rectangles (cont.)**

It is possible to make 3 different rectangles with 18 tiles. 1 by 18 2 by 9 3 by 6 Can you make a square with 18 tiles? Explain.

5
Square Numbers A square number is a number that is a result of the product of a number multiplied by itself. A square number will have an odd number of factors. Ex: 9 is a square number because 3 ● 3 = 9. Since 9 is a square number, you can make a 3 by 3 square using 9 tiles. What other square numbers can you think of?

6
Square Numbers (cont.) The number that is multiplied by itself to produce a square number is called the square root of that number. The square root of 9 is 3 because 3 ● 3 = 9. The square root symbol is √. “The square root of 9” looks like √9.

7
Square Numbers (cont.) A shortcut for writing 3 ● 3 is to use an exponent. 3² or “three squared” may also be read as “3 to the power of 2” or “3 to the 2nd power”.

8
**The First 15 Square Numbers**

Perfect Square Factors 1 1 * 1 or * 2 or * 3 or * 4 or * 5 or * 6 or * 7 or * 8 or * 9 or * 10 or * 11 or * 12 or * 13 or * 14 or * 15 or 152

9
Square Numbers (cont.) Notice that square numbers run diagonally through the middle of a multiplication chart!

10
More Square Numbers Here is a list of more square numbers:

Similar presentations

OK

Teacher Name Class / Subject Date A:B: Write an answer here #1 Write your question Here C:D: Write an answer here.

Teacher Name Class / Subject Date A:B: Write an answer here #1 Write your question Here C:D: Write an answer here.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on grease lubrication in rolling Ppt on personality development and communication skills Ppt on conservation of environment poster Ppt on life history of robert hooke Ppt on equity mutual funds Ppt on folk dances of india Ppt on 555 timer schematic Ppt on 13th finance commission Ppt on intelligent manufacturing Free download ppt on unity in diversity