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# Do you measure up? - PowerPoint PPT Presentation

Do you measure up?. By: Cassaundra Hisch. Standard 5: The Mathematical World. Numbers: 3.5.1 Select and use appropriate measuring units, such as centimeters (cm) and meters ( m ), grams ( g ) and kilograms (kg), and degrees Celsius (°C) .

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### Do you measure up?

By:

Cassaundra Hisch

• Numbers: 3.5.1 Select and use appropriate measuring units, such as centimeters (cm) and meters (m), grams (g) and kilograms (kg), and degrees Celsius (°C).

• Activity modeled after http://www.indianastandardsresources.org/files/sci/sci_3_5_1.pdf

• Appropriate: Suitable for a particular condition, occasion, or place; fitting.

• Measurement: The dimension, quantity, or capacity determined by measuring

• Units: What the measurement is being done in, (example: inches)

• Knowing when to use measurements appropriately is important.

• Here we will explore the importance of measurements and how to use them properly.

• The worm is 3 long.

• Katie’s plant grew 11 tall.

• The school is 22 tall.

• Yesterday it was 34 outside.

• Measurements are what is missing!

• Why do we need measurements?

• Did those sentences make sense without measurements?

• These sentences make a lot more sense when we add in measurements!

• The worm is 3 inches long.

• Katie’s plant grew 11 centimeters tall.

• The school is 22 feet tall.

• Yesterday it was 34° outside.

• You know measurements are important…

• Now you may be wondering: How do I know what measurements to use?

• Make a list of all the measurements you know how to use…

• _____________________________________________

• _____________________________________________

• _____________________________________________

• _____________________________________________

• _____________________________________________

• _____________________________________________

• Centimeters (cm)

• Meters (m)

• Inches (in)

• Feet (ft)

• Yards (yd)

• Millimeters (mm)

• Miles (mi)

• Kilometers (km)

• Pounds (lbs)

• Grams (g)

• Milligrams (mg)

• Tons (T)

• Those were just some examples of measurements you may know how to use. There may be more.

• With all of those how do you know when to use which one?

• Units for measuring in lengths include: millimeters, centimeters, inches, meters, feet, yards, miles, and kilometers.

• Units in yellow are good for small measurements.

• Units in blue are good for medium measurements.

• Units in purple are used for long distances.

• Feet, yards, and meters are used to measure things that aren’t big or small. Inches are also used in some cases.

• Examples are:

• The length of a car

• The height of a tree

• The length of a sports field

• Remember we commonly use millimeters, centimeters, and inches for these.

• Example measurements include:

• The width of a fingernail

• The size of a pebble

• The length of a pencil

• Miles and kilometers are commonly used for measuring long distances.

• Examples of long measurements include:

• Length of a trip

• Small weights are measured using milligrams or grams. (examples: the weight of a dime or pencil)

• Medium weights are measured using pounds or kilograms. (examples: the weight of a person or animal)

• Things that are heavy are usually measured in tons. (examples: trucks and cars)

• You have a penny. What measurements should you use to find its:

• Weight?

• Height? (edge)

• Diameter?

• Weight- measure weight in grams or milligrams

• Edge height- millimeters would work best for this

• Diameter- centimeters or inches would make the most sense here.

• A worksheet

• Various items

• Rulers

• Follow the directions on the worksheet!

• 1. What measurement is appropriate for measuring the length of a pencil?

• A. Yards

• B. Pounds

• C. Feet

• D. Centimeters

• 2. If I am wanting to weigh my dog, what measurement should I use?

• A. Kilograms

• B. Tons

• C. Yards

• D. Milligrams

• 3. Which of the following would be best measured in yards?

• A. The length of a shoe

• B. The weight of your backpack

• C. The length of a basketball court

• D. The length of your thumb

• Indiana Department of Education Standard Resources http://www.indianastandardsresources.org/files/sci/sci_3_5_1.pdf