Do you measure up
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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


Example

Example


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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