Converting Between Fractions and Decimals

This video tutorial covers the conversion between percents, decimals, and fractions, emphasizing the importance of understanding these concepts for solving real-world problems. It introduces the 'bom bom' method for moving decimals and applies these conversions to practical scenarios like taxes, discounts, and UV ray reflectivity. The tutorial also explains how to reverse the conversion process from decimals back to percents.

Why is it important to convert between fractions and decimals?

• To confuse students

• To avoid using calculators

• To make numbers look prettier

• To solve real-world mathematical problems

What does the 'bom bom' method help you do?

• Multiply two numbers

• Subtract two numbers

• Add two numbers

• Move the decimal point twice

How do you convert 66% to a decimal?

• 66.0

• 0.066

• 6.6

• 0.66

What is the decimal equivalent of 100%?

• 0.01

• 10.0

• 1.00

• 0.10

Why should decimals not be used in fractions?

• They are not real numbers

• They are difficult to read

• They are not allowed in math

• They make calculations complex

How do you convert a decimal back to a percent?

• Subtract 100 from the number

• Add 100 to the number

• Move the decimal point to the left twice

• Move the decimal point to the right twice

What is the percent form of 0.29?

• 29%

• 2.9%

• 0.29%

• 290%

How many times more UV rays are reflected by water than grass?

• 28 times

• 10 times

• 5 times

• 2 times

What is the simplified fraction form of 85%?

• 8.5/10

• 85/100

• 1.7/2

• 17/20

Why is it easier to get sunburn at the lake than on grass?

• Grass absorbs all UV rays

• Water reflects more UV rays

• Grass is softer

• Water is cooler