Algebra 1 Common Core Student Edition, Grade 8-9

Lesso n 1-7

Lesso n 3-8

Lesso n 5-7

Add or subtract. Write each answer in simplest form.

1 ^ + ± l-3 2 4. 36

# Multiplying and Dividing Real Numbers

Simplify each fraction.

6 + 4 + 7 + 9 1.7 + 4.2 + 3.1 11 + 16 + 9 + 12 + 7

Distributive Property

Simplify each expression.

8. 6(jc - 7) 9. |(4x + 6)

Unions and Intersections of Sets

10. -2(5 -x) 11. 0.5(5 + 4x)

Let X = {x | x is an odd whole number less than 16}, Y = {2,6, 9,10,16},

and Z = {z | z is an even whole number less than 19}. Find each union

or intersection.

12. XU Y 13. X n Y 14. Y n z 15. XUXUZ

Scatter Plots

For each table, make a scatter plot of the data. Describe the type of correlation

that the scatter plot shows.

Handbook,

p. 803

Lesso n 1-6

r------------ ---- --- ^

Messenger Bag Sales

Pr i ce (S) 30 45 60 75

Number Sold 150 123 85 50

r i

---------Driving Dist ances and Times —

Dist ance (mi) 5 3 8 15 8

Ti m e (mi n) 15 56 28 22

Looking Ahead Vocabulary

18. There are three outcomes for a hockey team during a game: win, lose, or tie. What
    are the possible outcomes for flipping a coin?


19. On a highway, the median is the strip of land that divides the two sides of opposing
    traffic. How would you expect a median to divide a data set?


20. The color purple is a combination of the colors red and blue. Does the order in
    which the colors are combined change the result of the combination?