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Math Unit 7:  Measurement

Standards:

Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.

MCC. 3.MD.1 Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.

MCC.3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.

Represent and interpret data.

MCC.3.MD.3 Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step “how many more” and “how many less” problems using information presented in scaled bar graphs. For example, draw a bar graph in which each square in the bar graph might represent 5 pets.

MCC.3.MD.4 Generate measurement data by measuring lengths using rulers marked with halves and fourths of an inch. Show the data by making a line plot, where the horizontal scale is marked off in appropriate units – whole numbers, halves, or quarters.

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

MCC.3.MD.7 Relate area to the operations of multiplication and addition.

Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.

MCC.3.MD.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.

Essential Questions:

Telling Time…

• What does it mean to tell time to the nearest minute?

• What strategies can I use to help me tell and write time to the nearest minute and measure time intervals in minutes?

• What connections can I make between a clock and a number line?

• How can I use what I know about number lines to help me figure out how much time has passed between two events?

• How can we determine the amount of time that passes between two events?

• What part does elapsed time play in our daily life?

• How can I demonstrate my understanding of the measurement of time?

Volume and Mass…

• What does the liquid volume of an object tell me?

• What types of tools are used to measure volume?

• How can estimating help me to determine liquid volume of something?

• What are some ways I can measure the liquid volume of something?

• What does the mass of an object tell me about it?

• What ways can I measure mass?

• What strategies can I use to help me to solve problems involving volume?

• What strategies can I use to help me to solve problems involving mass?

• Why is mass and volume important in my everyday life?

• What determines your choice of a measurement tool?

• What estimation strategies are used in measurement?

• How is the appropriate unit for measurement determined?

• How is the reasonableness of a measurement determined?

• Why are units important in measurement?

• How can I demonstrate my understanding of the measurement of volume and mass?

Area and Perimeter…

• What is the difference between area and perimeter?

• How are the perimeter and area of a shape related?

• How does combining and breaking apart shapes affect the perimeter and area?

• Why/how would decomposing a polygon be helpful in finding the perimeter or area?

• How can rectangles have the same perimeter but have different areas?

• What methods can I use to determine the area of an object?

• How can I demonstrate my understanding of the measurement of area and perimeter?

• Why is it important to know area and perimeter in real life?

• What strategies will help me to solve for an unknown side when finding perimeter?

Graphing and Data…

• How are tables, bar graphs, and line plot graphs useful ways to display data?

• How do I decide what increments to use for my scale?

• How can you prove to your parents you do not spend too much time watching television?

• How can you use graphs to answer a question?

• How can surveys be used to collect data?

• How can surveys be used to answer a question?

• How can graphs be used to display data gathered from a survey?

• How can graphs be used to compare related data?

• How can data displayed in tables and graphs be used to inform?

• How can data be used to make decisions?

• How can data displays be used to describe events?

• How can I demonstrate my understanding of the data and graphing?

• How are a bar graph and a line plot related? What are their differences? 

Social Studies

Standards:

SS3H2 The student will discuss the life of Thurgood Marshall who expanded people’s rights and freedoms in a democracy.

SS3G2 The student will describe the cultural and geographic systems associated with Thurgood Marshall.

SS3CG2 The student will discuss the character of Thurgood Marshall.

We will test next Friday on Thurgood Marshall!