Math 7 "Final"

+'s & -'s

100

-5 + 9 

4

200

-11 + -5

-16

300

15 - (-5)

20

400

-5 - 11

-16

500

-12 - (-6) 

-6

Equations

100

x + 9 = 14

5

200

x - 12 = 8

x = 20

300

x - (-6) = 10

x = 4

400

2x + 3 = 9

x = 3

500

3x - 3 = 12

x = 5

Equations 2.0

100

− 3x + 2 = 11

x = -3

200

−4(1x + 2) = 16

x = -6

300

3(3x + 4) = 16

x = -2

400

-2x + 5x + 9 = 6

x = -1

500

10x - 20x + 5 = -25

x = 3

Prob. & %'s

100

If I flip a coin ONE time- What's the percentage of it landing on tails?

50%

200

A spinner has four equal sections, with one letter from the word “FOOD” in each section.  

 

1. You spin the spinner 20 times.  About how many times do you expect it will land on F?

5

300

 Tiles with numbers 1 through 10 are placed in a bag.  What is the probability of choosing an ODD number that is greater than or equal to 3?

4/ 10 

400

If you roll one standard 6-sided dice twice-- What is the chance (%) that you role a "1" BOTH rolls?

2.77%

500

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?  (Answer in %)

10%

Random Math

100

How many days are in ONE year?

365 Days

200

How many HOURS are there in ONE year?

8,760

300

How many feet are in a mile?

5,280

400

When Lisa was 6 years old, her sister Lucy was half her age.

If Lisa is 40 years old today, how old is Lucy?

37

500

You have 2 random U.S coins whose total is $0.30. 

One of them is NOT a nickel!

What are the 2 coins?

Quarter & Nickel