Chapter 11 Lessons 1 and 2

Chapter 11

Lessons 1 and 2

How can I use measurement conversions to solve real-world problems?

Length

The measurement of distance between two points.

You can use a ruler to measure the length of objects to the nearest HALF INCH or QUARTER INCH.

If you measure an object to a smaller unit of measure, you get a more precise or accurate measurement.

Multiple Choice

To the nearest half inch, the button is ____ inches wide.

• 
  

  $\frac{1}{2}$
  

• 1 $\frac{1}{2}$

• 2 $\frac{1}{2}$

Multiple Choice

To the nearest quarter inch, the button is ____ inches wide.

• 
  

   $\frac{1}{4}$ 
  

• 1  $\frac{3}{4}$ 

• 2  $\frac{1}{4}$ 

Multiple Choice

Use your ruler to measure the peanut on page 803 to the nearest half inch.

The peanut is ____ inches wide.

• 
  

   $\frac{1}{2}$ 
  

• 1  $\frac{1}{2}$ 

Multiple Choice

Use your ruler to measure the peanut on page 803 to the nearest quarter inch.

The peanut is ____ inches wide.

• 
  

   $\frac{3}{4}$ 
  

• 1  $\frac{3}{4}$ 

Multiple Choice

Use your ruler to measure the fish on page 803 to the nearest half inch.

The fish is ____ inches wide.

• 
  

   $\frac{1}{2}$ 
  

• 1 $\frac{1}{2}$ 

• 2  $\frac{1}{2}$ 

Multiple Choice

Use your ruler to measure the fish on page 803 to the nearest quarter inch.

The fish is ____ inches wide.

• 
  

   $\frac{3}{4}$ 
  

• 2 $\frac{2}{4}$  or 2  $\frac{1}{2}$  

• 2  $\frac{3}{4}$ 

Customary Units

of Length

• The units of length most often used in the United States are the inch, foot, yard, and mile.

• These units are part of the customary length.

When you convert measurements...

• you change from one unit to another.

• To convert a larger unit to a smaller unit, multiply.

• To convert a smaller unit to a larger unit, divide.

Multiple Choice

Convert 4 feet to inches.

(1 foot= 12 inches)

Remember: horse to fly, multiply!

• 48 inches

• 3 inches

Multiple Choice

Convert 42 inches to feet.

Write the remainder as a fraction.

(12 inches=1 foot)

Remember: Fly to horse, divide of course!

• 3 feet $\frac{6}{3}$ inches

• 3 feet $\frac{6}{12}$ inches OR

  
  
  

  3 feet $\frac{1}{2}$ inches

Multiple Choice

Complete 60 in. = ___ ft

(12 inches=1 foot)

Remember: Fly to horse, divide of course!

• 5 feet

• 720 feet

Multiple Choice

Complete 16 yd =___ ft

(1 yd = 3 ft)

Remember: Horse to fly, multiply!

• 5 yd  $\frac{1}{3}$  ft

• 48 ft

Multiple Choice

72 in. =___ ft

(12 in. = 1 ft)

Remember: Fly to horse, divide of course!

• 6 ft.

• 864 ft.

Multiple Choice

19 yd =___ in.

(1 yd = 36 in.)

Remember: Horse to fly, multiply!

• 1 yd 17 in.

• 684 in.

Multiple Choice

40 in. =___ ft

(12 in. = 1 ft)

Remember: Fly to horse, divide of course!

• 480 ft

• 3   $\frac{1}{3}$  ft

Multiple Choice

7,920 ft = ___mi

(5,280 ft = 1 mi)

Remember: Fly to horse, divide of course!

• 1.5 mi    of 1  $\frac{1}{2}$  mi

• 41,817,600 mi

Multiple Choice

6 yd = ___ in.

(1 yd = 36 inches)

Remember: Horse to fly, multiply!

• 6 in.

• 216 in.

Multiple Choice

26,400 ft = ___ mi

(5,280 ft = 1 mi)

Remember: Fly to horse, divide of course!

• 5 mi

• 139,392,000 mi