O Grade 8 Math Review

8th Grade Math 1

100

What is slope intercept formula?

y=mx+b

200

y=mx+b, what part of the formula is the slope?

m

300

What do you graph first when graphing slope intercept form?

The y-intercept or the b

400

What is the formula to graph slope from two points?

y₂-y₁

x₂-x₁

500

Amanda is serving peach cobbler to her friends.  She serves 4/12 of the pie. What fraction is left?

8/12

8th Grade Math 2

100

What is 1,0000⁰

1

200

37x58=

2, 146

300

Factors of 45

1*45

3*15

5*9

1,3,5,9,15, and 45

400

What is 81 x 54?

4,374

500

Luis orders 350 chocolate bars. They come in 5 boxes. How many candy bars are in each box?

70

8th Grade Math 3

100

3x+1=13

x=4

200

(−7) + (−6) =

−13

300

612,532 + 44,622

657,154

400

1/2 + 1/3 =

3/6 + 2/6 = 

5/6

500

4x − 3y − 9x + 5y

−5x + 2y

8th Grade Math 4

100

-5+7

2

200

-5x+2x-y

-3x-y

300

What is 210 divided by 5?

42

400

1/2 ÷ 1/4 =

1/2 * 4/1 =

4/2 =

2

500

The chocolate bar is 65 pennies. How is 65 pennies represented as a decimal and fraction? 

0.65 and 65/100

8th Grade Math 5

100

All triangles should add up to what degree?

180 degrees

200

7²

49

300

Find the difference: 4,589-2,588

2,001

400

Use <,>,or = to compare:

1/2 ___ 8/16

=

500

Daniel has a collection of 7,442 stamps. He has 2,500 more stamps than Jennifer.  How many stamps do they have altogether?

12,384 stamps

8th Grade Math 6

100

What do the lines look like for one solution?

Intersection lines. (x,y)

200

(−3) ∗ (−11) =

33

300

What is the slope of y=7x+12

7

400

What is the angle measure of a straight line?

180 degrees

500

1/2 * 2/3 =

2/6 = 

1/3