Additive Relationship

Presentation

•

Mathematics

•

6th Grade

•

Medium

•

CCSS

8.F.B.4, HSF-LE.A.1B, 6.EE.C.9

Standards-aligned

Courtney Tout

Used 86+ times

FREE Resource

4 Slides • 7 Questions

Additive Relationship

Additive Relationship

In an Additive Relationship you ADD or SUBTRACT the same quantity to the independent quantity, x, to get the dependent quantity, y.
Does NOT cross the origin, (0,0).
RULE: y = x + a
a = begin the number being added or subtracted to the independent quantity.

Multiple Choice

Additive relationship is where you add or subtract x and any quantity in order to find y.

True

False

Multiple Choice

What is the correct equation for an additive relationship?

y = x+a

x = y+a

y = ax

a/x = m

Example

Owen is two years older than his sister Greta.

Think: Greta's Age + 2

Greta's Age = X

Owen's Age = Y

RULE: y = x + 2

When Greta is 5, Owen will be 7.

y = (5) + 2 = 7

HINT

When looking at a graph, look where the line crosses the y-axis

The constant in an additive equation tells you where it will cross.

So, if a line crosses the graph at a positive 5, then the additive relationship between x and y for this graph is:

y = x + 5

Multiple Choice

Which of the following best represents the equation y = x - 2?

y is 2 minus x

Multiple Choice

Given the table of values for the additive relationship, what is the equation of the line in $y=x+a$ form?

$y=x-1$

$y=x+1$

$y=x+3$

$y=x-5$

Multiple Choice

A relationship is represented by y = x - 16. Which table best represents the equation?

Multiple Choice

Which of the equations below match the graph?

$y=4x$

$y=x+4$

$y=x-4$

$y=-4x$

Multiple Choice

Apples weighing 30 pounds are placed in a crate that weighs p pounds. Which equation can be used to find t, the total weight of both the crate and the apples in pounds?

t = 30p

t = p + 30

p = t + 30

t = 30 - p

Additive Relationship

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