Algebra 1 Common Core Student Edition, Grade 8-9

Skills

Handbook,

page 799

Skills
Handbook,
page 799

Skills
Handbook,
page 800

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# Factors

Find the greatest common factor of each set of numbers.

1.12,18 2.25,35 3.13,20

4b Least Com mon M u ltip le

Find the least com m on multiple of each set of numbers.

5.5,15 6.11,44 7.8,9

4b Using Estimation

Estimate each sum or difference.

9 .9 5 6 -5 4 2 10.1.259 + 5.312+ 1.7

4. 40, 80, 100

8. 10, 15, 25

11. $14.32 + $1.65 + $278.05

Skills
Handbook,
pag e 801

Skills
Handbook,
page 802

Skills
Handbook,
page 803

4b Simplifying Fractions

Write in simplest form.

12.^1215 13.^2028 14. 56

# Fractions and Decimals

Write each fraction as a decimal.

16. i 17. I 18. a

4b Adding and Subtracting Fractions

Find the sum or difference.

19. 10093

(^21) * l- 7 ^ 14 - + — 22. 6§ + 3f 23._910 5___^4

15.^4852

20. 15

24 8- — 4-

Lo o k i n g A h ead V o cab u l ar y

25. Several expressions may have the same meaning. For actors, the English expression
    “break a leg” means “good luck.” In math, what is another expression for 5 • 7?


26. A beginning guitarist learns to play using simplified guitar music. What does it
    mean to write a simplified math expression as shown at the right?


27. A study evaluates the performance of a hybrid bus to determine its value. What
    does it mean to evaluate an expression in math?

5-7-5=7

Chapter 1 Fo u n d at i o n s f o r A l g eb r a