How to PREPARE for your final exam 7th grade

FINSIH HOMEWORK

100

Simplify

-9(-54x + 81y) 

6x -9y

200

Simplify

3(3rs + 2t)

9rs + 6t

300

Solve for x

4x + 6 = 12

x = 3/2

400

Solve for y

5y + 20 = y

y= -5

500

Distribute

3( x + 7)

3x + 21 

TAKE THE PRETEST

100

When solving inequalities, when do you "flip the sign"? 

When you divide or multiply by a negative

200

If you were to graph an inequality on a number line, when would you use an open vs. closed circle?

An open circle is for <, > whereas a closed circle included "equal to"

300

5 < 13 -4x

x < 2

400

Solve the inequality

-14/5 < x + 1/5

-3 < x

500

Solve for x

-5 < 3x + 7 < 13

-4 < x < 2

Graph...

GET SLEEP

100

Find the average/mean

18, 8, 9, 5

10

200

Find the range

18, 8, 9, 5, 11

13

300

Find the median 

0, 45, 55, 36 7, 90, 80

45

400

Find the mode

1, 4, 6, 1, 3, 9, 8, 12

1

500

Find the MAD score

1, 8, 8, 8, 10, 13, 14, 15, 15, 15

3.6

EAT HEALTHY

100

I have 3G marble, 9R, and 2B.  What is P(G)? 

3/14

200

Given the word ALGEBRA

what is the probability of choosing an A at random?

2/7

300

Addison is 16.  This year she is twice as old as her brother.  How old is her brother?

8

400

Solve for x

4 (x + 18) = 84

x = 3

Can you draw the problem as a tape diagram?

500

Solve for x

5/6 = (15-x)/24

x = -5

SAY YOUR PRAYERS

100

What is the probability of drawing a Queen from a deck of 52 standard cards?

1/13

200

Give me a word where the probability of selecting an E is 1/3

LESLIE or EGG :)

300

A spinner has the numbers 1-5, what is the probability of a number greater than 3?

2/5

400

A spinner has the numbers 1-5, what is the probability of spinning a 2 if my 1st spin was a 4?

1/5

They are independent events

500

I picked a block 36 times and 18 times the block was purple.  What is the estimated probabiltiy?

18/36 or 1/2