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#### Description:

In this session, students will begin to explore the questions "What can be measured?" and "What does it mean to measure something?" Students identify measurable properties of objects such as weight, surface area, and volume, and discuss which metric units are appropriate for measuring these properties. Students will also learn that measurement is, by its nature, approximate. Finally, students will consider how to make measurements using nonstandard units. This session features a number of problems for students to solve and open-ended questions to discuss, videos that demonstrate measurement techniques, and an interactive activity that asks students to construct shapes using different size triangles to foster understanding of area and perimeter. There are also nine homework problems in which students are asked to generate different measurements, graph measurements, and evaluate the appropriateness of the measurements generated using a data chart.

#### Subjects:

• Mathematics > General

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

None
Update Standards?

#### CCSS.Math.Content.K.MD.A.1: Common Core State Standards for Mathematics

Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.

#### CCSS.Math.Content.2.MD.A.1: Common Core State Standards for Mathematics

Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.

#### CCSS.Math.Content.3.MD.A.2: Common Core State Standards for Mathematics

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.

#### CCSS.Math.Content.3.MD.D.8: Common Core State Standards for Mathematics

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.

#### CCSS.Math.Content.4.MD.A.1: Common Core State Standards for Mathematics

Know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec. Within a single system of measurement, express measurements in a larger unit in terms of a smaller unit. Record measurement equivalents in a two column table.

#### CCSS.Math.Content.5.MD.C.3a: Common Core State Standards for Mathematics

A cube with side length 1 unit, called a "unit cube," is said to have "one cubic unit" of volume, and can be used to measure volume.

#### CCSS.Math.Content.1.G.A.2: Common Core State Standards for Mathematics

Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.

#### CCSS.Math.Content.6.G.A.1: Common Core State Standards for Mathematics

Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.
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