Percentage and Division Word Problems

This video tutorial covers Unit 4 Lesson 4, focusing on understanding groups through various problems. It includes calculating how long a bag of cat food lasts, analyzing diagrams to understand fractions, representing equations, writing division equations, calculating costs for an amusement park visit, and solving percentage problems. The lesson concludes with a summary of the key concepts learned.

If a cat eats 3/4 of a pound of food each week, how many weeks will a 3-pound bag last?

• 4 weeks

• 2.5 weeks

• 3 weeks

• 4.5 weeks

Which equation represents the situation where a cat eats 3/4 of a pound each week from a 3-pound bag?

• 3 × 3/4

• 3 ÷ 3/4

• 3 + 3/4

• 3 - 3/4

How many thirds are in one and two-thirds?

• 5

• 4

• 6

• 3

Which question is represented by the equation: what number times 1/8 equals 3?

• How many threes are in 1/8?

• How many eighths are in 3?

• What is 1/8 of 3?

• What is three groups of 1/8?

If 15 times 2/5 equals 6, which of the following is a correct division equation?

• 6 ÷ 15 = 2/5

• 15 ÷ 2/5 = 6

• 6 ÷ 2/5 = 15

• 15 ÷ 6 = 2/5

Noah and his friends share the cost of $100 equally among 8 students. Did Noah bring enough money if he has $13?

• Yes, he has extra.

• No, he needs less.

• Yes, he has enough.

• No, he needs more.

What is a division expression with a quotient greater than 8 divided by 0.001?

• 8 ÷ 0.0001

• 8 ÷ 0.1

• 8 ÷ 0.01

• 8 ÷ 1

If 150% of a number is 12, what is 100% of the number?

• 10

• 6

• 8

• 12

5 is 50% of what number?

• 10

• 20

• 5

• 15

20 is 80% of what number?

• 20

• 30

• 15

• 25