How to Divide a Decimal by a Decimal

In this video, Miss C explains how to divide decimal numbers using long division. The tutorial covers two example problems, demonstrating how to convert a decimal divisor into a whole number by multiplying by 10, and ensuring the dividend is adjusted similarly. The video emphasizes the importance of balancing both numbers and follows the steps of divide, multiply, subtract, bring down, and repeat. The process is repeated for a second problem, highlighting careful handling of remainders and bringing down digits.

What is the first step in solving a division problem involving decimals?

• Rewrite the problem using a long division box.

• Subtract the divisor from the dividend.

• Multiply the divisor by 100.

• Convert the dividend to a whole number.

How do you convert a decimal divisor into a whole number?

• Add zeros to the end of the divisor.

• Divide the divisor by 10.

• Move the decimal point to the left.

• Multiply the divisor by 10.

What must you do to the dividend if you move the decimal point in the divisor?

• Multiply the dividend by 100.

• Subtract the same number from the dividend.

• Add a zero to the end of the dividend.

• Move the decimal point in the dividend the same number of places.

What is the correct sequence of steps in the division process?

• Multiply, divide, subtract, bring down, repeat.

• Bring down, divide, multiply, subtract, repeat.

• Divide, multiply, subtract, bring down, repeat.

• Subtract, divide, multiply, bring down, repeat.

In the first problem, what is the final quotient?

• 19.10

• 19.1

• 18.1

• 19.01

When setting up the second problem, what must be done if the divisor is still not a whole number after one adjustment?

• Multiply the divisor by 100.

• Subtract a number from the divisor.

• Move the decimal point one more place to the right.

• Add a zero to the divisor.

What is the final quotient for the second division problem?

• 205

• 2.05

• 200.5

• 20.5