# WORKSHEET ON RATIONAL NUMBERS Basic Skills Review Week 1 fractions

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Basic Skills Review                                                         Week 1
(fractions, integers, rational numbers, and equations)
Notes
Integers

A. Describe how you would add integers.

B. Describe how you would subtract integers.

C. What is the rule associated with multiplying and dividing integers?

Order of Operations

D. What does PEMDAS stand for and why is it important?

Fractions

E. What is the first step in adding or subtracting rational numbers and how do you
find it?

F. Explain how to divide two fractions

Exercises involving fractions
1. Identify the common factors in the numerator and denominator of each fraction,
and simplify to lowest terms.

450
a.
60
Basic Skills Review                                                      Week 1
(fractions, integers, rational numbers, and equations)
25
b.
36

abc
c.
cde

xy  y 2
d.
y

x3
e.
3

2. ¼ x ½ gives the same result as ¼ ÷ 2.
a. Find this result and explain why it is the same for both expressions.

b. Give another example of two expressions (using division and
multiplication) which follow this same rule.

Solving Equations with one variable
Use a two column approach to describe how you solve the following equations.

2x  4  x  8

2
x95
3

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Jun Wang Dr
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