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Do you measure up?

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?

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  1. Do you measure up? By: Cassaundra Hisch

  2. 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

  3. 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)

  4. Background Info • Knowing when to use measurements appropriately is important. • Here we will explore the importance of measurements and how to use them properly.

  5. 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.

  6. Did you figure it out? • Measurements are what is missing! • Why do we need measurements? • Did those sentences make sense without measurements?

  7. 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.

  8. 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…

  9. Measurements I Know • _____________________________________________ • _____________________________________________ • _____________________________________________ • _____________________________________________ • _____________________________________________ • _____________________________________________

  10. 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)

  11. 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?

  12. 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.

  13. 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

  14. 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

  15. 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

  16. Example

  17. 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)

  18. Let’s Practice • You have a penny. What measurements should you use to find its: • Weight? • Height? (edge) • Diameter?

  19. 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.

  20. In the bag you should find… • A worksheet • Various items • Rulers • Follow the directions on the worksheet!

  21. Assessment • 1. What measurement is appropriate for measuring the length of a pencil? • A. Yards • B. Pounds • C. Feet • D. Centimeters

  22. Assessment • 2. If I am wanting to weigh my dog, what measurement should I use? • A. Kilograms • B. Tons • C. Yards • D. Milligrams

  23. 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

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

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