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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) .

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do you measure up

Do you measure up?

By:

Cassaundra Hisch

standard 5 the mathematical world
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
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
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
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
Did you figure it out?
  • Measurements are what is missing!
  • Why do we need measurements?
  • Did those sentences make sense without measurements?
much better
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
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
Measurements I Know
  • _____________________________________________
  • _____________________________________________
  • _____________________________________________
  • _____________________________________________
  • _____________________________________________
  • _____________________________________________
let s compare our lists
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
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
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
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
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
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
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
Let’s Practice
  • You have a penny. What measurements should you use to find its:
    • Weight?
    • Height? (edge)
    • Diameter?
answers
Answers
  • 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
In the bag you should find…
  • A worksheet
  • Various items
  • Rulers
  • Follow the directions on the worksheet!
assessment
Assessment
  • 1. What measurement is appropriate for measuring the length of a pencil?
    • A. Yards
    • B. Pounds
    • C. Feet
    • D. Centimeters
assessment1
Assessment
  • 2. If I am wanting to weigh my dog, what measurement should I use?
    • A. Kilograms
    • B. Tons
    • C. Yards
    • D. Milligrams
assessment2
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
Resources
  • Indiana Department of Education Standard Resources http://www.indianastandardsresources.org/files/sci/sci_3_5_1.pdf
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