Expressions
Write an expression for 5 more than a number "n".
What operation do you do first in: 6 +3 x 4
Multiplication
What is the next number in the pattern?
2.5, 6.5, 10.5, 14.5
18.5
Which axis is horizontal: x- axis or y- axis?
X- axis
What is it called when a letter is used to represent a number in a math problem?
A variable
Write an expression for 3 times a number x
3x
Solve 8 + 2 x 5
18
What is the rule for this pattern?
5, 10 , 15 , 20
Add 5
Which axis is vertical
if x=4 what is 3x
12
Write an expression for 10 decreased by number y
10 - y
Solve (10 - 6) x 3
12
Top row: 2, 4, 6
Bottom row: 12, 24, 36
Bottom = top x 6
What ordered pair is the origin?
(0,0)
if y= 6, what is y x 8 / 2
24
What is an expression
A) 5 + 3 = 8
B) 4x + 2
B) 4X + 2
Solve 20 x (5 + 6) / 4
55
3.7, 11.7, 19.7, 27.7
35.7
What point is shown by this ordered pair ( 3, 5)
3 units right, 5 units up
true or false: a variable can change value
True
Write an expression for: A number divided by 4 then add 6
n / 4 + 6
(60/12) x ( 42/ 7) + 50
80
Top row: 6, 12, 18
Bottom row: 3, 6, 9
What is the relationship?
top = bottom divided by 2
What point is shown by this ordered pair (0, -5)
move 0 to left or right and down 5
If a= 10, solve 100 / a+ 70 x 5
400