8th Grade Jeopardy

proportions

100

solve for S

S/33=10/15

S=22

200

solve for V

V/221=700/910

V=170

300

solve for X

6.4/v=8.8/11

X=8

400

solve for W 

5.5/2=W/6

W=16.5

500

do these ratios form a proportion? y/n

9 crates        54sodas

3 crates        27 sodas 

yes 

ratios

100

complete the ratio 8:_ so that it is equivalent to 1:4

8:32

200

complete the ratio 6:_ so that it is equivalent to 1:6

6:36

300

Is this an equivalent ratio? T/F

2:6 3:9

false

400

are these ratios equivalent ?

8 employees : 20 weeks 

4 employees :10 weeks

no

500

Trisha made 85 cookies but only sold 42  on Sunday. Monday she made 70 and sold 42

Which day has a bigger ratio from cookies made  to cookies sold. 

monday

slope from two points

100

whats the formula for finding two point slope?

y₂-y₁/x₂-x₁

200

(9,10) (2,3)

 slope = 1

300

(6,12) (7,14) 

7/6

400

(10,-24) (7,4)

-3/34

500

true or false

(8,2) (5,10)

10/5=2

false

review

100

one  pair of factors of 14

(1x14)or (2x7)

200

-56+2=?

-54

300

200+400-357

243

400

change to mixed fraction 65/8

8 1/8

500

2x+3x-7=28

7

review pt2

100

-4 +_ =2

6

200

4x+4=44

x=10

300

whats the average 

Tuesday:34

Wednesday:68

Thursday:42

the average is 48

400

4(5x-33)=48

36

500

find what is missing 

day 1: 49

day 2: 30

day 3: 57

day 4: X

avg:2

68