Exploring Equivalent Ratios and Double Number Lines

Kaylee introduces equivalent ratios and double number lines, using rulers to explore the relationship between centimeters and millimeters. She explains the concept of equivalence in math, using examples like pens per box. The video also covers using double number lines to determine sugar content in soda, emphasizing the importance of finding equivalent ratios. The session concludes with encouragement to practice and engage with activities.

What is the relationship between centimeters and millimeters?

• 1 centimeter is equal to 20 millimeters

• 1 centimeter is equal to 15 millimeters

• 1 centimeter is equal to 10 millimeters

• 1 centimeter is equal to 5 millimeters

How many millimeters are there in 2 centimeters?

• 25 millimeters

• 20 millimeters

• 15 millimeters

• 10 millimeters

What does the term 'equivalent' mean in mathematics?

• Two things are the same in a certain way

• Two things are exactly the same

• Two things are unrelated

• Two things are different

Which symbol is used to represent 'equivalent' in mathematics?

• Two horizontal lines

• One horizontal line

• Four horizontal lines

• Three horizontal lines

How can you find an equivalent ratio?

• By adding the same number to both sides of the ratio

• By squaring both sides of the ratio

• By subtracting the same number from both sides of the ratio

• By multiplying or dividing both sides of the ratio by the same number

What is the equivalent ratio of 2 pens to 1 box when multiplied by 4?

• 4 pens to 2 boxes

• 6 pens to 3 boxes

• 10 pens to 5 boxes

• 8 pens to 4 boxes

What is the purpose of a double number line?

• To calculate area

• To measure length

• To find the volume

• To compare two different quantities

How much sugar is in 8 fluid ounces of soda?

• 25 grams

• 20 grams

• 15 grams

• 31 grams

If 8 fluid ounces of soda contain 31 grams of sugar, how much sugar is in 16 fluid ounces?

• 93 grams

• 62 grams

• 31 grams

• 124 grams

What should you do to find an equivalent fraction?

• Multiply the numerator and denominator by different numbers

• Divide the numerator and denominator by the same number

• Multiply the numerator and denominator by the same number

• Divide the numerator and denominator by different numbers