Lesson 7: Practice Problems
Problem 1
Here is a rectangle that has been partitioned into four smaller rectangles.
For each expression, choose the sub-rectangle whose area, in square units, matches the expression.
A
B
C
D
Problem 2
Here is an area diagram that represents
Find the areas of sub-rectangles A and B.
What is the area of the 3.1 by 1.4 rectangle?
Problem 3
Draw an area diagram to find
Problem 4
Find each product. Show your reasoning.
Problem 5 From Unit 5 Lesson 3
Complete the calculations so that each shows the correct sum or difference.
Problem 6 From Unit 2 Lesson 12
Diego bought 12 mini muffins for $4.20.
number of | price in |
---|---|
At this rate, how much would Diego pay for 4 mini muffins?
How many mini muffins could Diego buy with $3.00? Explain or show your reasoning. If you get stuck, consider using the table.