5 Minute Check
2 x 2 x 4 2 x 3
5 Minute Check
3 x 2
5 Minute Check
3 x 2 3 x 3
5 Minute Check
6 x 3 6 x 2 5 x 13
Essential Question
Wednesday, Oct 28 Lesson 4.5.a Convert Measurement Units
Objective: To understand how to change units of measurement in the customary system.
Multiply Fractions
Convert Measurement Units A relationship within the same type of unit of measurement can be written as a ratio. Example 1 yard = 3 feet can be written as 1 yard 3 feet
Convert Measurement Units These ratios can be used to set up a proportion to solve measurement problems. Example 1 yard 6 yards 3 feet = ? feet
Convert Measurement Units If you do not know these relationships, use the 6 th grade reference sheet.
Convert Measurement Units The text book and the study guide use a different methodology. If you are confused after this lesson, refer to the study guide or text book.
Convert Measurement Units Convert 20 feet to inches. How many ____ to how many ____? How to Convert Units Step 1 – Find the direct relationship between the units in the problem and write as a ratio.
Convert Measurement Units
36 yards = ? feet Step 1 ?
Convert Measurement Units
7 qts = ? pts Do this on your own.
Convert Measurement Units
15 qt = ? G Do this on your own.
Convert Measurement Units
40 fl oz = ? cup Do this on your own.
Convert Measurement Units
¾ ton = ? pounds Do this on your own.
Convert Measurement Units
1 ½ qt = ? pts Do this on your own.
Convert Measurement Units
100 ounces = ? pounds. Do this on your own.
Convert Measurement Units
Is 16 inches greater, less than or equal to 1 ½ feet? Prove your answer.
Convert Measurement Units Is 16 inches greater, less than or equal to 1 ½ feet? Prove your answer. Less than. 12 inches ? inches 1 foot = 1½ feet x 2 = 2 =18÷1=18 in 16 in < 18 in
Convert Measurement Units Is 8 ¾ gallons greater, less than or equal to 32 quarts? Prove your answer.
Convert Measurement Units Is 8 ¾ gallons greater, less than or equal to 32 quarts? Prove your answer. Greater than. 4 quarts 32 quarts 1 gallon = ? gallons 1 x 32 = 32÷4=8 gallons 8 ¾ G > 8 G
Convert Measurement Units Give two different measurements that are equivalent to 2 ½ quarts.
Convert Measurement Units Give two different measurements that are equivalent to 2 ½ quarts. 1 quart 2 ½ quarts 1 pint 5 pints 2 pints = ? pints 2 cups = ? cups 2 x 2½ = 5÷1=2 x 5 = 10 ÷1= 5 pints 10 cups
Essential Question
Multiply Mixed Numbers Agenda Notes Homework – Homework Practice 4.5.a Due Thursday, Oct 29 Mid-Chapter 4 Quiz – Friday, Oct 30