Measurement is the process of determining the size, length, or amount of something. It is an essential part of mathematics and is used in various fields such as science, engineering, and everyday life. In mathematics, measurement is used to quantify and compare objects and quantities.

There are different units of measurement used for various quantities. Some common units of measurement include:

- Length: meter (m), centimeter (cm), kilometer (km)
- Mass: gram (g), kilogram (kg)
- Volume: liter (L), milliliter (mL)
- Time: second (s), minute (min), hour (hr)

Converting between different units of measurement is an important skill. To convert from one unit to another, you can use conversion factors. For example, to convert from meters to centimeters, you can multiply the number of meters by 100 (since 1 meter = 100 centimeters).

Measuring length is done using rulers, meter sticks, or tape measures. Mass is measured using scales or balances, and volume is measured using measuring cups, beakers, or graduated cylinders.

Here are some key concepts to focus on when studying measurement:

- Understanding the various units of measurement for length, mass, volume, and time.
- Practicing conversions between different units of measurement.
- Learning how to measure length, mass, and volume using appropriate tools.
- Applying measurement skills to solve real-world problems and word problems.

By mastering the concepts of measurement, you will be able to accurately quantify and compare different quantities, which is an important skill in both mathematics and everyday life.

Study GuideMeasurement, Perimeter, and Circumference Worksheet/Answer key

Measurement, Perimeter, and Circumference Worksheet/Answer key

Measurement, Perimeter, and Circumference Worksheet/Answer key

Measurement, Perimeter, and Circumference

Geometry (NCTM)

Use visualization, spatial reasoning, and geometric modeling to solve problems.

Use geometric models to represent and explain numerical and algebraic relationships.

Measurement (NCTM)

Apply appropriate techniques, tools, and formulas to determine measurements.

Select and apply techniques and tools to accurately find length, area, volume, and angle measures to appropriate levels of precision.

Develop and use formulas to determine the circumference of circles and the area of triangles, parallelograms, trapezoids, and circles and develop strategies to find the area of more-complex shapes.

Connections to the Grade 7 Focal Points (NCTM)

Measurement and Geometry: Students connect their work on proportionality with their work on area and volume by investigating similar objects. They understand that if a scale factor describes how corresponding lengths in two similar objects are related, then the square of the scale factor describes how corresponding areas are related, and the cube of the scale factor describes how corresponding volumes are related. Students apply their work on proportionality to measurement in different contexts, including converting among different units of measurement to solve problems involving rates such as motion at a constant speed. They also apply proportionality when they work with the circumference, radius, and diameter of a circle; when they find the area of a sector of a circle; and when they make scale drawings.