Learn how to determine the product of a mixed number by a whole number

The video tutorial covers the process of multiplying fractions, including converting whole numbers and mixed numbers into fractions. It emphasizes the importance of not using cross multiplication when multiplying fractions and provides a step-by-step guide on using multiplication algorithms for large numbers. The tutorial concludes with a final calculation and checks for simplification.

What is the first step when multiplying a whole number by a fraction?

• Convert the whole number to a decimal.

• Subtract the whole number from the fraction.

• Convert the whole number to a fraction.

• Add the whole number to the fraction.

When is cross multiplication used?

• When multiplying two fractions.

• When a fraction is equal to another fraction.

• When subtracting two fractions.

• When adding two fractions.

What should you do when multiplying fractions?

• Multiply the numerators and then the denominators.

• Add the numerators and then the denominators.

• Cross multiply the fractions.

• Divide the numerators by the denominators.

What is a recommended method for multiplying large numbers without a calculator?

• Convert the numbers to decimals first.

• Estimate the result.

• Use a calculator.

• Perform the multiplication vertically.

What should you check after multiplying fractions?

• If the result is negative.

• If the result is a whole number.

• If the result can be simplified.

• If the result is a decimal.