Worksheet 3.1 and 3.2

NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Math 7th Honors Practice 3.1 and 3.2
Rational Numbers
Write each fraction or mixed number as a decimal. Do work on a separate sheet of paper.
1.
4.
3
5
2.
37
50
7. 3
1
5
5
8
3.
5. −
11
16
3
8
8. 4
9
20
6. −
9
32
9. −
7
9
Write each decimal as a fraction or mixed number in simplest form.
10. –0.8
11. 0.44
12. –1.35
13. 0.8�
�
14. –1.5
����
15. 4.45
19. POPULATION Refer to the table at the right.
Population of Florida by Race
Race
a. Express the fraction for Asian as a decimal.
b. Find the decimal equivalent for the fraction
of the population that is African American.
c. Write the fraction for Hispanic as a decimal.
Asian
African American
Hispanic
Fraction of
Total Population
1
50
4
25
1
5
20. MEASUREMENTS Use the figure at the right.
a. Write the width of the jellybean as a fraction.
b. Write the width of the jellybean as a decimal.
Course 3 • Chapter 1 Real Numbers
1
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Powers and Exponents
Write each expression using exponents.
1
4
1
4
1
4
21. 3 • 3 • m
22.� � � � � �
23. 2 • d • 5 • d • d • 5
24. p • (–9) • p • (–9) • p • q • q
25. g • (–7) • (–7) • g • h • (–7) • h
26. x • • x • x • y • • y • x
Evaluate each expression.
1
8
1 3
5
1
8
3 5
5
27. (−8)4
28. � �
29. �− �
30. (−2)3 + 52
31. 34 − 52
32. (−2)5 − (−2)4
33. 43 ÷ 23
34. 53 • 23
35. 17 + (−3)4
ALGEBRA Evaluate each expression.
36. 𝑟 3 − 𝑠, if r = 5 and s = 4
37. 𝑚2 − 𝑛3 , if m = 6 and n = 2
38. 𝑓 − 𝑔4 , if f = 3 and g = –5
39. (𝑥 5 − 𝑦 2 )2 + 𝑥 3 , if x = 2 and y =
Course 3 • Chapter 1 Real Numbers
1