El Camino College - Division of Mathematical Sciences

Math 12

Basic Arithmetic Skills

4 units; 4 hours lecture and 8 hours study

Prerequisite:

None

Catalog Description:

This introductory arithmetic course is designed to develop number and operation sense using whole numbers, fractions, decimals, and percents, as well as develop problem-solving skills. Topics include writing whole numbers and decimals in various forms, estimation, ratios, proportions, and applications.

Note: Students enrolled in this course are required to participate in individual and group activities.

Course Objectives:

1. Read and write whole numbers and decimal numbers in standard, expanded, and written form.
2. Order a given set of numbers.
3. Use the order of operations to add, subtract, multiply and exponentiate whole numbers, fractions and decimals.
4. Use rounding techniques to estimate results of operations on whole numbers, fractions and decimals.
5. Use divisibility tests and prime factorization to reduce fractions to lowest terms and perform operations on fractions.
6. Convert rational numbers into decimals, fractions and percentages.
7. Solve various application problems requiring the use of ratios, proportions, and percentages.

For more information see Math 12 Course Outline of Record.