options: Ratios & Proportional Relationships: students learn to recognize, describe, represent, and reason with ratios, rates, proportional relationships, and percent.

Number & Operations - Fractions: students learn to understand fractions as numbers and may work with them using addition, subtraction, multiplication, and division.

Modeling: students learn to choose and use appropriate mathematics and statistics to analyze real-world empirical situations, improve decisions, and report on their conclusions and the reasoning behind them.

Functions: students learn to define, use, and evaluate functions to model relationships between quantities.

Operations & Algebra: students learn to solve problems using algebraic thinking and operations such as addition, subtraction, multiplication, and division. They may learn to identify and explain arithmetic patterns, evaluate or manipulate numerical expressions, and reason with equations and inequalities.

Number & Operations in Base Ten: students learn to work with the base-ten system and build place value understanding.

Number Systems and Quantity: students learn to understand the complex number system and reason quantitatively.

Measurement & Data: students learn to work with data and measure attributes such as time, money, length, area, and volume. They may learn to compare measurements to operations and convert between different units of measure.

Geometry: students learn to classify geometric figures by their properties, and understand and compare the relationships between them. Students develop and use formulas to compute lengths, areas, and volumes, and they use transformations to generate new shapes and compare existing ones. Geometry can be studied with and without coordinates.

Statistics & Probability: students learn to analyze and produce data distributions, and build understanding of univariate and bivariate data. They learn to interpret data, make statistical inferences, justify conclusions, understand rules of probability, and use probability to make decisions.

Counting & Cardinality: students learn to know number names and the count sequence, count to tell the number of objects, and compare numbers.
problem_activity: Narrative
The purpose of this activity is for students to solve a real-world problem that involves finding the volume of a figure composed of two right rectangular prisms. Unlike many other figures students have seen, this one can be decomposed into two rectangular prisms in only one way. Students may rearrange the two prisms to make a single, long rectangular prism.
Action and Expression: Develop Expression and Communication.
Give students access to graph paper or connecting cubes as tools to use to design their own garden.
Supports accessibility for: Visual-Spatial Processing, Conceptual Processing, Organization
Launch
Display the picture of the garden from the student workbook:
[IMG]
“This type of garden is called a raised bed garden because the plants are not in the ground.”
“If we planted a garden at our school, what vegetables would you want to grow?”
Activity
5 minutes: individual work time
5 minutes: partner discussion
Monitor for students who break the garden into two rectangular prisms, finding the volume of each, and for students who put them together to form a single rectangular prism.
Student Facing
The elementary school is going to build a raised bed garden like the one in the picture, but they will use a different design. Here is a diagram that shows the side lengths of the garden the school will build.
[IMG]
What is the volume of the garden? Explain or show your reasoning.
Write an expression to represent the volume of the garden.
[IMG]
Noah wants to design a garden with the same volume but different side lengths. What could the side lengths of his garden be?
Which garden design do you like better? Explain or show your reasoning.
Student Response
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Activity Synthesis
Display the diagram of the garden from the task.
Invite students to share how they found its volume.
“What do the two parts of the garden have in common?” (They are both 4 feet tall and 3 feet wide.)
“What is different about the two parts of the garden?” (The length. One piece is 10 feet long and the other piece is 8 feet long.)
“How could you put the pieces together to make a single rectangular prism?” (The sides that are 3 feet by 4 feet fit together and the length would be 18 feet.)


correct_option_index: 7