Dividing Decimals Using the Standard Algorithm

This video tutorial teaches how to divide decimals using the standard algorithm. It begins with a review of multiplying numbers by powers of 10 and explains the terms used in division problems, such as dividend, divisor, and quotient. The tutorial emphasizes the importance of decimal points in division and provides a step-by-step guide to dividing decimals, including changing the divisor to a whole number and adjusting the dividend accordingly. The lesson concludes with an example problem to illustrate the process.

What happens to the number 3.12 when it is multiplied by 100?

• It becomes 31.2

• It becomes 312

• It becomes 3.120

• It becomes 31,200

In a division problem, what is the term used for the number being divided?

• Remainder

• Dividend

• Quotient

• Divisor

How many groups are formed when 10 apples are divided into groups of half an apple each?

• 5 groups

• 10 groups

• 15 groups

• 20 groups

What is the first step in dividing decimals using the standard algorithm?

• Change the divisor into a whole number

• Multiply the dividend by 10

• Bring up the decimal point

• Estimate the result

If the divisor is multiplied by 10, what must be done to the dividend?

• Divide it by 10

• Multiply it by 10

• Subtract 10 from it

• Add 10 to it