Exploring Ratios and Their Applications

This video tutorial by M Windle covers the concept of ratios, focusing on sixth-grade skills. It explains the importance of understanding ratios in math and everyday life. The tutorial defines ratios as a comparison of two things, often by division, and emphasizes the need to label each number. It demonstrates how to simplify ratios and write them in different forms, such as word form, odds notation, and fractional notation. The video also covers comparing part-to-part and part-to-whole ratios, with practice problems to reinforce learning.

What is a ratio?

• A method to add two numbers.

• A comparison of two things, usually by division.

• A technique to subtract two numbers.

• A way to multiply two numbers.

Why is it important to label each number in a ratio?

• To make it look neat.

• To ensure clarity and avoid confusion.

• To make it easier to add.

• To make it easier to subtract.

Which of the following is NOT a way to write a ratio?

• Fractional notation

• Colon notation

• Word form

• Exponential notation

How would you simplify the ratio 4 maps to 6 globes?

• 4 maps to 2 globes

• 2 maps to 3 globes

• 2 maps to 6 globes

• 4 maps to 3 globes

What does part-to-part comparison mean?

• Comparing two different parts.

• Comparing two wholes.

• Comparing a part to the whole.

• Comparing the whole to a part.

If you have 6 globes and 10 navigational items, what is the simplified part-to-whole ratio?

• 3 globes to 5 navigational items

• 2 globes to 3 navigational items

• 3 globes to 2 navigational items

• 6 globes to 10 navigational items

In the ratio 55 lizards to 11 crickets, what is the simplified form?

• 1 lizard to 5 crickets

• 5 lizards to 11 crickets

• 11 lizards to 1 cricket

• 5 lizards to 1 cricket

What is the simplified ratio of 32 boys to 42 girls?

• 16 boys to 21 girls

• 8 boys to 21 girls

• 32 boys to 21 girls

• 16 boys to 14 girls

If Tony has 7 cans of soda, 2 of which are Dr Pepper, what is the ratio of Sprite cans to Dr Pepper cans?

• 5 Sprite cans to 7 Dr Pepper cans

• 7 Sprite cans to 2 Dr Pepper cans

• 2 Sprite cans to 5 Dr Pepper cans

• 5 Sprite cans to 2 Dr Pepper cans

What is the simplified ratio of 13 oranges to 16 apples?

• 8 oranges to 16 apples

• 13 oranges to 8 apples

• 13 oranges to 16 apples

• 16 oranges to 13 apples