PEMDAS
2 X 4 - 2
6
6 + (-3)
3
2x=8
x=4
3 x 4² vs 10²
48 > 10
What are the order that you do operations in?
PEMDAS
3(4-2)²
12
10- (-12)
22
70/r=10
7
18 +10 (2-1) vs 6(4)- 10
28 >14
What happens if you multiply a negative number and a positive number? Would the product be positive or negative?
The product would be negative
6²-10÷2
34
-6 X 8
-48
24b=96
4
10 (6-1)/5 vs 3+8 X 5
10 < 43
What is the opposite of multiplication?
Division
10²(9-5)X4
1600
-60 x -10
600
70b=1400
20
1800/2 X 3² vs 4³ x 4
8100 > 256
How would you write a cube root?
With a 3 exponent
18+9²-(10-2)/7
97.86
-10,000/ 200
-50
2a-5=40
22.5
DAILY DOUBLE!!!!!!
180.4/2-7² vs 256.78 X 2 - 10²
41.2 < 413.56
James works two jobs. On Monday, he worked 10 hours for 80 dollars overall. On Tuesday, he worked 8 hours for 12.50 dollars an hour. Write two equations to demonstrate how he could determine how much he made overall.
10h= 80
8 (12.50)= 112.50