Do you measure up?

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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

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).
• Activity modeled after http://www.indianastandardsresources.org/files/sci/sci_3_5_1.pdf
Definitions
• 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)
Background Info
• Knowing when to use measurements appropriately is important.
• Here we will explore the importance of measurements and how to use them properly.
What’s missing from these sentences?
• The worm is 3 long.
• Katie’s plant grew 11 tall.
• The school is 22 tall.
• Yesterday it was 34 outside.
Did you figure it out?
• Measurements are what is missing!
• Why do we need measurements?
• Did those sentences make sense without measurements?
Much Better!
• 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.
How do we know?
• 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…
Measurements I Know
• _____________________________________________
• _____________________________________________
• _____________________________________________
• _____________________________________________
• _____________________________________________
• _____________________________________________
Let’s compare our lists…
• Centimeters (cm)
• Meters (m)
• Inches (in)
• Feet (ft)
• Yards (yd)
• Millimeters (mm)
• Miles (mi)
• Kilometers (km)
• Pounds (lbs)
• Grams (g)
• Milligrams (mg)
• Tons (T)
Let’s get started!
• 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?
Length
• 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.
Medium Measurements
• 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
Small Measurements
• 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
Long Measurements
• Miles and kilometers are commonly used for measuring long distances.
• Examples of long measurements include:
• Length of a trip
• Length of a road
Weight Measurements
• 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)
Let’s Practice
• 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.
In the bag you should find…
• A worksheet
• Various items
• Rulers
• Follow the directions on the worksheet!
Assessment
• 1. What measurement is appropriate for measuring the length of a pencil?
• A. Yards
• B. Pounds
• C. Feet
• D. Centimeters
Assessment
• 2. If I am wanting to weigh my dog, what measurement should I use?
• A. Kilograms
• B. Tons
• C. Yards
• D. Milligrams
Assessment
• 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
Resources
• Indiana Department of Education Standard Resources http://www.indianastandardsresources.org/files/sci/sci_3_5_1.pdf