Did you enjoy "Abacus 1"? To further your abacus skills, learn to compute fractions, percents, quantities, square roots and negative numbers. Prerequisite: Teacher recommendation after completion of “Abacus 1” or equivalent.
Course: ABA-221
Media: LP
Lessons: 5
Maximum Completion Time: 2 1/2 months
Credit: 2 CEUs
Tuition: $99 (U.S. Dollars)
Abacus 2
Course No. ABA-221
Audience
Students enrolled in the Hadley School for Professional Studies
Course Description
This is the second course in the Abacus series. Abacus 2 explains how to add, subtract, multiply, and divide fractions, as well as work with percents and units of measure. This course also enables you to extract square roots and subtract a larger number from a smaller one.
Available Formats
large print
Organization
five lessons
Credit
2 CEUs
Prerequisites
completion of Abacus 1 and teacher recommendation
Overview
Five assignments are submitted to the instructor.
Grading
letter grades
Maximum Completion Time:
2 ½ months
Objectives and Content
This course is designed to help you solve more complex mathematical problems using the abacus. You can apply your skills to everyday problems like adding and subtracting quantities and making money transactions.
After completing Lesson 1, the student will be able to
- reduce fractions
- add fractions
- subtract fractions
After completing Lesson 2, the student will be able to
- multiply fractions
- cancel factors
- divide fractions
After completing Lesson 3, the student will be able to
- find percents
- use units of measure in mathematical operations
After completing Lesson 4, the student will be able to
- extract square roots of whole and decimal numbers that are perfect squares
- extract square roots of whole numbers that are not perfect squares
After completing Lesson 5, the student will be able to
- identify complementary numbers, active numbers, and inactive numbers
- subtract a larger number from a smaller one
- subtract a series of numbers