Download presentation
Presentation is loading. Please wait.
1
7.1 Distributive Property
Objective: students will learn how to properly use the distributive property.
2
Definitions Equivalent numerical expression: both sides of equation are equal. Ex: = 2 + 7 9 = 9 Distributive Property: distribute number outside parenthesis by every number inside. Ex: 4(5 + 7) 4(5) + 4(7) = 48
3
Distribute with numbers
3(7 + 5) 8(-2 + 6) (2 - 9)4 -4(5 – 3)
4
Student Examples 6(10 – 4) (3 – 12)(-5) -2(7 + 2) 4(8 – 2)
5
Distribution with variables
8(x + 5) (9 – t)(-4) 6(6p – 1)
6
Student Examples 10(3m + 5) -2(11y – 4) 11(-4 – m) 9(10x + 2)
7
Areas of shapes Area Formulas: Find the area of the rectangle.
Square/Rectangle: L x W Triangle: ½ BH Find the area of the rectangle. 7 2x + 5
8
Find area of the rectangle
5 2y + 3
9
Area Cont’d Find the area of the triangle. 8 – 3y 6
10
Student Examples 5a + 7 10
11
Wrap-up Questions/Comments Hw: wkbk. Pg. 39
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.