1. Changing Units in the Customary System
Lesson 3-6

2. Brainpop Quiz
Customary Units

3. Answers C A D B

5. 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)

6. Changing Units
Determine the direction of the change (LargeSmall or SmallLarge)
Multiply or Divide by the appropriate conversion unit.
LS then multiply
SL then divide

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

8. 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

9. 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

10. 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

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

14. 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 =

15. Practice customary systems Practice sheet 3-6 odds go over

16. Homework Practice sheet 3-6
#1-26 evens (for 8-22 show work, simplified, and mixed numbers)