PEMDAS
Which operation should be done first?
3*2-1
3*2
3x+2x=?
5x
1+(9/3)+2
6
Write an expression for the product of 4 and a number
4x
Amayah plays 10 songs per hour. Write an expression for the number of songs played in h hours.
10h
Which operation should be done first?
8*7/(2-9)
2-9
x-x=?
0
1+2-3+4-5
-1
Write an expression for the sum of -9 and a number
-9+x
x-9
Ethan draws 6 figures in one hour. How many minutes did he spend on each figure?
10 minutes
What operation should be done last?
3*6-2
-2
5x-2y=?
5x-2y
9/3/3
1
Write an expression for 8 less than 4 times a number
4x-8
Marco charges a service fee of $500 to paint a house, along with an additional $100 per room (r). Write an expression that models the total cost of having a house painted.
500+100r
What operation should be done last?
1/8*9+5
+5
2x^2+3x^2-x^3
5x^2-x^3
2^2^2
16
Write an expression for 3 times more than the sum of a number and 2
3(x+2)
Alex gets 1 goal and 1 assist during every game he plays. Write an expression that represents the number of assists he gets per game.
g+a
What operation should be done second?
8-9*6^2
Multiplication
8-2x+3x^2-4x+10
3x^2-6x+18
3^3^3(1/3*2)
13122
Write an expression for a number times itself 5 times
x^5
Five times a number increased by seven is equal to forty-seven. What is the number?
8