Additive or Multiplicative?
y = x + 5
Additive
Create an input output table for the following ordered pairs. Then, write the rule of the table in terms of x and y.
(0,2) ; (1,3) ; (2,4) ; (3,5)
y = x + 2
X axis: horizontal
Y axis: vertical
Graph the following ordered pairs:
(2,4), (5,7), (7,9), (8,10)
Teacher review responses
Ms. Perkins buys 7.2 pounds of chicken. Each pound of chicken costs $4.35. What is the total cost of the chicken Ms. Perkins buys?
$31.32
Additive or Multiplicative?
y = 5x
Multiplicative
Create a table that follows the rule: y = x + 5.8 and uses the input values: 5, 6, 7 and 8.
Y values: 10.8, 11.8, 12.8, 13.8
What part of the coordinate plane is located where the x and y axis intersect?
What would its ordered pair be?
Origin, (0,0)
On a map, Shady Glen School is located at (9,6). The playground is located 5 units east. What is the ordered pair that represents the location of the playground?
(9,11)
Cliff stacks cubes to create a model of a parking garage shaped like a rectangular prism. His model has 6 layers. In each layer, he uses 3 rows of cubes with 14 cubes in each row. What is the total volume, in cubic units, of Cliff's model?
252 cubic units
Create an input output table for the following ordered pairs:
(0,0); (1, 1.5); (2, 3); (3, 4.5); (4, 6)
Is this pattern additive or multiplicative?
Multiplicative
In the examples below, the x and y values follow the rule y = x + 1/2.
(6, 6 1/2), (1/4, 3/4)
Which pair of input and output numbers does NOT show this relationship?
A: (1/2, 1)
B: (6/4, 2)
C: (5 1/2, 6)
D: (6/2, 4)
D
The first number in an ordered pair represents the ____ value, and tells you which way you are moving __________.
X
forward, over, horizontally
Which ordered pair is closest to (5,6)?
A: (1,5)
B: (4.5, 2)
C: (7, 6)
D: (1, 11)
(7,6)
Oscar is describing a 2D shape to his sister. The shape has 4 sides, 4 vertices, 2 sets of parallel lines, and 4 congruent sides.
What 2 shapes could Oscar be describing?
Square and Rhombus
Create an input output table for the following ordered pairs:
(6, 12); (18, 24); (3,9); (12,18)
Is this pattern additive or multiplicative?
Additive
Beth earns $3 dollars each day. Create a graph that shows Beth's earnings, y, for different numbers of days, x.
X values should include 6, 7, 8, and 9.
Y values: 18, 21,24, 27
The second number in an ordered pair represents the ____ value, and tells you how much you are moving __________.
Y
Up, vertically
Graph the following ordered pairs:
(1, 1.5), (2, 1), (3, 3.5), (4, 2)
Teacher check
Haley bought 3.25 pounds of potatoes. Cliff bought 4 1/4 pounds of potatoes. How many pounds of potatoes did Haley and Cliff buy together?
Write your answer as a fraction AND as a decimal.
7 1/2 pounds
7.5 pounds
True or False:
In a multiplicative pattern, the value of y is 0 if the input is 0.
True, anything multiplied by zero is zero.
Determine the rule for the given ordered pairs.
(2, 12.64) , (3, 18.96), (4, 25.28), (5, 31.6)
Y = 6.32x
Any of the four areas created by dividing a plane with an x-axis and y-axis are called ______________.
Quadrants
Graph the following ordered pairs:
(2 1/2, 6) , (3, 6 1/2) , (4, 7 1/2), (5 1/2, 9)
Teacher Check
Gloria bought 4 boxes of 136 crackers. She gave away all the crackers to the members of the chess club. Each member received 34 crackers. Write an equation to find m, the number of members in the chess club.
(4 x 136) / 34 = m