Solving Fraction and Ratio Problems

The video tutorial covers various mathematical concepts involving fractions and price comparisons. It begins with exercises on completing fractions to make whole numbers, followed by a section on comparing prices to determine the better buy. The tutorial then moves on to adding and subtracting fractions with different denominators, and concludes with a practical example of comparing heights using fractions.

How many pieces are needed to complete two whole pizzas if you have 1 and 5/6 of a pizza?

• 1/3

• 1/6

• 1/4

• 1/2

What is the first step in solving a fraction problem without a common denominator?

• Add the fractions directly

• Find a common denominator

• Subtract the fractions

• Multiply the fractions

If you have 3 and 1/4 and need to reach exactly 1, how much should you subtract?

• 2 and 1/4

• 2

• 1

• 1 and 1/4

Which is a better buy: 4 cans for $3 or 8 cans for $6?

• 4 cans for $3

• Both are the same

• Neither

• 8 cans for $6

How many cans would you get for $12 if 5 cans cost $6?

• 10

• 15

• 25

• 20

What is the total cost for 40 cans if 5 cans cost $6?

• $48

• $50

• $52

• $54

How many cups of seeds does Sean have to plant if he mixes 1/2 cup of green, 2 and 2/3 cups of red, and 1 and 1/4 cups of bronze seeds?

• 3 and 3/4

• 5

• 4 and 1/2

• 4 and 5/12

What is the common denominator for adding 1/2 and 1/4?

• 2

• 6

• 8

• 4

Who is taller, Abby or Craig, if Abby is 5 and 1/2 feet tall and Craig is 5 and 1/3 feet tall?

• Abby

• Craig

• Both are the same height

• Cannot be determined

By how much is Abby taller than Craig?

• 1/2 of a foot

• 1/3 of a foot

• 1/6 of a foot

• 1/4 of a foot