Units of measurement

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Units of measurement

  1. 1. Converting Between Units of Length
  2. 2. Directions Please read the slides and answer any questions along the way before going on to the next slide.
  3. 3. Goal: I can convert between standard units of length.
  4. 4. Think: What do you know about converting between units of length? Hint: Units of measurement include inches, feet, yards, and miles.
  5. 5. Units of Length  12 inches = 1 foot  3 feet = 1 yard  1,760 yards in a mile
  6. 6. Conversion Problems  How many inches are in 2 feet?  How many yards are in 9 feet?  How many inches are in 2 yards?
  7. 7. Conversion Problems      How many inches are in 2 feet? 2 feet = 2 x 12 = 24 inches How many yards are in 9 feet? 9 feet = 9 ÷ 3 = 3 yards How many inches are in 2 yards? 1) 2 yards = 2 × 3 = 6 feet 2) 6 feet = 12 × 6 = 72 feet 
  8. 8. Length Conversion Word Problem  Mrs. Sunflower’s class grew a spinach plant, a basil plant, and a tomato plant. The spinach plant was 5 feet tall. The basil plant was 36 inches tall. The tomato plant was 2 yards tall. List the plants’ heights from shortest to tallest. Please explain all thinking.
  9. 9. Solution Mrs. Sunflower’s class grew a spinach plant, a basil plant, and a tomato plant. The spinach plant was 5 feet tall. The basil plant was 36 inches tall. The tomato plant was 2 yards tall. List the plants’ heights from shortest to tallest. Please explain all thinking. Plant Inches Feet Yards spinach 60 5 1 yard, 2 feet basil 36 3 1 tomato 72 6 2 Answer: As you can see in my table the tomato is the tallest plant. I know this because 72 inches is greater than the 60 inches of the spinach plant and the 36 inches of the basil plant. I found my answer by converting between units and then comparing the number of inches for each plant.
  10. 10. All done!

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