Lesson 2-5 & 2-6 review

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

•

CCSS

6.NS.C.7, 6.EE.A.2, 6.EE.A.4

+14

Standards-aligned

Erin Moots

FREE Resource

3 Slides • 18 Questions

Lesson 2-5 & 2-6 review

By Erin Moots

Cross multiply and solve
Watch for Distributive Property!!
Word problems - look for the sentence that gives 1 fraction.

Solve Proportions

This is when you're checking to see if two fractions are equal
Cross multiply and look for equals

Equivalent Proportions

Lesson 2-6: Proportionality

Multiple Choice

What is the correct next step when using the cross product method on this problem?

$\frac{1}{2}=\ \frac{5}{10}$

1(10) = 2(5)

1(5) = 2(10)

1(2) = 5(10)

Multiple Choice

Is the following equation a Proportion or NOT? (Proportions have two equivalent ratios)

$\frac{4}{7}=\frac{2}{4}$

Proportion

Not a proportion

Multiple Choice

Use cross products to determine if these ratios are proportional:
2/3 = 10/15

yes

Multiple Choice

Do the ratios form a proportion?

Yes, they form a proportion.

No, they do not form a proportion.

Multiple Choice

Do the ratios form a proportion?

Yes, they form a proportion.

No, they do not form a proportion.

Multiple Choice

Solve for k

7/12

12/7

Multiple Choice

Solve for x

Multiple Choice

Solve the proportion

x = 3

x = -3

x = 1

x = -1

Multiple Choice

Solve for b

b = 8

b = 17/12

b = 4/3

b = 1/8

Multiple Choice

Solve for k

165

1/17

1/165

Solve TWO equations for each absolute value. ONE POS, ONE NEG.
Graph on a number line

Solve Equations

Plug the numbers in for the variables
Solve
Take off bars only when you're down to 1 digit

Solve Expressions

Lesson 2-5: Absolute Value

Multiple Choice

Evaluate the expression if x = -5.

|2 - x|

-3

Multiple Choice

Evaluate the expression if x = -5.

|-2x - 12|

-2

-22

Multiple Choice

Evaluate the expression if x = 3 and y = -4.

|3x - 5| + y

-3

Multiple Choice

Evaluate the expression if x = 2, y = -4, and z = 10

6 + |2y + z| - |5x|

-2

Multiple Choice

Solve for x
l 5x l = 40

x = 8 and x =-8

x = 35 and x = -35

Only x = 8

No Solution

Fill in the Blanks

|8 - 4x| = 16

Fill in the Blanks

∣2x + 9∣ = 15

Drag and Drop

Solve for x

l 2x−1 l = 9

x =

and x =

Drag these tiles and drop them in the correct blank above

No Solution

-4

-5

Lesson 2-5 & 2-6 review

By Erin Moots

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