NUMBER SKILLS
BUS 110
COURSE LEARNING OUTCOMES
Upon successful completion of this course, students will be able to demonstrate proficiency with:
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I.
reading and writing numbers, place values, rounding rules and significant digits;
addition (adding with subtotals, using combinations and groupings, checking by reverse addition, angular
and horizontal addition);
subtraction (subtracting vertically and horizontally, borrowing, checking answers with addition);
multiplication (solving both simple and complex multiplication problems, checking answers, using
multiplication shortcuts);
division (performing both simple and long division, checking answers, using division shortcuts);
basic 10-key electronic calculator skills (correct finger placement, performing basic arithmetic functions
electronically, applying correct logic for 10-key and handheld calculators);
estimating reasonableness of sums, differences, products and quotients;
typical business applications of basic number skills.
Course Orientation
A. Introduction to Business Math Center and its policies
B. Overview of class, including grading format with pretests
C. Explanation of workbook and tutorial assistance
II. Fundamental Operations
A. Chapter One (Numbers, Calculators; Sums, Differences)
1. Numbers
a. reading and writing numbers
b. place value in numbering systems
c. rounding numbers
d. significant digits
2. General Rules for Rounding
3. Operating an Electronic Calculator
4. Addition with a Calculator
a. adding with keys
b. zero key
c. decimal key
5. Addition without a Calculator
a. self assessment on addition
b. thinking in subtotals
c. grouping in tens
d. reverse-order addition
e. angular addition
f
subtotal addition
horizontal addition
business applications
Subtraction without a Calculator
a. self assessment on subtraction
b. checking by addition
c. regrouping or borrowing
d. difficulties with zero
e. subtracting money or decimals
f
mental regrouping
g. horizontal subtraction
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minus signs and negative numbers
business applications
7. Subtraction with a Calculator
a. credit balances
b. business application
8. Estimating reasonableness
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Pretest 1A
Pretest lB
Chapter Two (Multiplication and Division)
Multiplication without a Calculator
a. self assessment on multiplication
b. simple multiplication
c. multiplying larger numbers
d. difficulties with zero
e. multiplying with decimals
f. checking multiplication
g. multiplication shortcuts
h. business applications
Multiplication with a Calculator
a. multiplying decimal numbers
b. multifactor multiplication
Division without a Calculator
a. self assessment on division
b. simple division
c. division by zero
d. remainders
e. long division
f. dividing decimal numbers
g. division shortcuts
h. business applications
Division with a Calculator
Estimating or reasonableness
Pretest IIA
Pretest IIB