Operations with Decimals and Fractions

The video tutorial explains how to solve a two-step math problem involving multiplication and addition. It begins by defining a two-step problem and then demonstrates solving 8 x 3/4 + 0.4. The first step involves converting the whole number to a fraction and performing multiplication. The second step involves adding a decimal number, ensuring the decimal points are aligned. The final answer is 6.4.

What is a two-step problem?

• A problem that involves only addition.

• A problem that requires two separate calculations.

• A problem that can be solved in one step.

• A problem that involves only multiplication.

In the example problem, what is the first operation to perform?

• Subtract 0.4 from 8.

• Add 0.4 to 8.

• Multiply 8 by 3/4.

• Divide 8 by 3/4.

How do you convert the whole number 8 into a fraction?

• 8/0

• 1/8

• 8/1

• 8/8

What is the result of multiplying the numerators in the example problem?

• 3

• 12

• 24

• 8

What is the simplified result of 24 divided by 4?

• 12

• 6

• 4

• 8

What is the second step in solving the example problem?

• Add 0.4 to 6.

• Subtract 0.4 from 6.

• Multiply 6 by 0.4.

• Divide 6 by 0.4.

How do you ensure the columns are tidy when adding decimals?

• Ignore the decimal points.

• Align the numbers to the right.

• Align the numbers to the left.

• Keep the decimal points in the same place.

What is the final result of adding 6.0 and 0.4?

• 6.6

• 6.5

• 6.4

• 6.0