Unit 2, Lesson 15
Multiply More Fractions
Grade 5
Activity 2
Equivalent Expressions
Each diagram represents a way to calculate
Each expression is equivalent to
Match each diagram to an expression. Explain or show your reasoning.
Choose your favorite diagram and expression to find the value of
Student Section Summary
We learned how to find the area of a rectangle with a fractional side length.
Example: The shaded region has an area of
We also learned to multiply a mixed number by a whole number. We used diagrams and expressions to see why our strategies work.
Example: To multiply
- The 2 rows of 3 and
squares shaded show . - The 2 rows of 3 squares shaded show
. - The 2 rows of
of a square shaded show . - The shaded region in the diagram represents the area of a rectangle with the dimensions of
units by 2 units.
So, the area of the shaded region is
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