Lesson 4: Practice Problems
Problem 1
A shopper buys cat food in bags of 3 lbs. Her cat eats
Draw a diagram to represent the situation and label your diagram so it can be followed by others. Answer the question.
Write a multiplication or division equation to represent the situation.
Multiply your answer in the first question (the number of weeks) by
. Did you get 3 as a result? If not, revise your previous work.
Problem 2
Use the diagram to answer the question: How many
Problem 3
Which question can be represented by the equation
How many 3s are in
? What is 3 groups of
? How many
s are in 3? What is
of 3?
Problem 4
Write two division equations for each multiplication equation.
Problem 5 From Unit 4 Lesson 2
Noah and his friends are going to an amusement park. The total cost of admission for 8 students is $100, and all students share the cost equally. Noah brought $13 for his ticket. Did he bring enough money to get into the park? Explain your reasoning.
Problem 6 From Unit 4 Lesson 1
Write a division expression with a quotient that is:
greater than
less than
between
and
Problem 7 From Unit 3 Lesson 14
Find each unknown number.
12 is 150% of what number?
5 is 50% of what number?
10% of what number is 300?
5% of what number is 72?
20 is 80% of what number?