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**Changing Units in the Customary System**

Lesson 3-6

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Brainpop Quiz Customary Units

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Answers C A D B

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Small Large Inch (in) Foot (ft) Yard (yd) Mile (mi) Ounce (oz) Pound (lb) Ton (t) Fluid Ounce (fl. oz.) -- Cup (c) -- Pint (pt) -- Quart (qt) -- Gallon (gal)

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Changing Units Determine the direction of the change (LargeSmall or SmallLarge) Multiply or Divide by the appropriate conversion unit. LS then multiply SL then divide

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Example 48 12 gal = ______ qt L S MULTIPLY 12 x 4 (1 gal = 4 qt)

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**3 Example 2 40 in = ______ ft S L 40 ÷ 12 1 1**

We can divide fractions so that remainders can be described as fractions. 10 40 x 1 1 12 3 10 3 1 = 3 3

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**Small to Large (ft to yd)**

10 2/3 10 yd 2ft = ______ yd Small to Large (ft to yd) Divide Keeps yards the same 2 / 3

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**Computing With Units Combine or subtract like units. Regroup. 19 7**

1 foot = 12 inches 8 feet 7 inches feet 11 inches 2 feet 8 inches

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Homework Time Pg #2-28 even write if you’re going S->L or L->S, and if multiply or divide

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**Bellringer 6 ½ ÷ 1 ½ = 3 2/3 X 1 ½ = 9 1/6 + 6 ¼ = 9 – 5 5/6 =**

MUST SHOW YOUR WORK!!!!! 6 ½ ÷ 1 ½ = 3 2/3 X 1 ½ = 9 1/ ¼ = 9 – 5 5/6 =

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**Practice customary systems Practice sheet 3-6 odds go over**

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**Homework Practice sheet 3-6**

#1-26 evens (for 8-22 show work, simplified, and mixed numbers)

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