Lesson 5: Practice Problems
Problem 1
Select all the expressions that equal
Problem 2
Which expressions are solutions to the equation
Problem 3
Solve each equation.
Problem 4
For each equation, write a story problem represented by the equation. For each equation, state what quantity
Problem 5 From Unit 3 Lesson 13
Write as many mathematical expressions or equations as you can about the image. Include a fraction, a decimal number, or a percentage in each.
Problem 6 From Unit 3 Lesson 12
In a lilac paint mixture, 40% of the mixture is white paint, 20% is blue, and the rest is red. There are 4 cups of blue paint used in a batch of lilac paint. If you get stuck, consider using a tape diagram.
How many cups of white paint are used?
How many cups of red paint are used?
How many cups of lilac paint will this batch yield?
Problem 7 From Unit 1 Lesson 9
Triangle P has a base of 12 inches and a corresponding height of 8 inches. Triangle Q has a base of 15 inches and a corresponding height of 6.5 inches. Which triangle has a greater area? Show your reasoning.