41. Multiply And Divide Fractions -- A Complete Course In Arithmetic Learn how to multiply fractions and divide fraction. Lesson 25 of a complete course in arithmetic. http://www.themathpage.com/Arith/multiply-fractions-divide-fractions.htm

42. Multiply Whole Numbers And Decimals -- A Complete Course In Arithmetic Learn the simple way to multiply whole numbers and decimals. Lesson 9 of a complete course in arithmetic. . http://www.themathpage.com/ARITH/multiply-whole-numbers-multiply-decimals.htm

S k i l l i n A R I T H M E T I C Table of Contents Home Introduction Lesson 10 MULTIPLYING WHOLE NUMBERS AND DECIMALS In this Lesson, we will answer the following: How do we multiply by a single digit? In writing, how do we multiply whole numbers? How do we multiply decimals? How can we find a percent of a whole number? How can we find the area of a rectangle? Let us face facts. The student will quickly replace written multiplication with a calculator. (What if you don't have a calculator? What if you don't have a pencil Lesson 9 .) Therefore, what should the student know about written multiplication that deserves to be called educational? The student should know that it is based on decomposing the multiplicand . And the student should know the basics of placing the decimal point. First: How do we multiply by a single digit? Align the multiplier (on the bottom) with the ones digit of the multiplicand (on top), and draw a line. Then multiply each digit of the multiplicand. Write the ones digit of each product below the line. If there is a

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