COMPARING CUSTOMARY UNITS OF LENGTH

For each set of measurements, circle the one that is not equal to the others.

Problem 1 :

48 inches, 4 feet, 2 yards

Solution : 

1 feet equal to 12 inches.

4 feet equals to 4 × 12 inches = 48 inches  

2 yard = how many inches ?

1 yard equal to 3 feet.

2 yard equals to 2 × 3 = 6 feet

1 feet equal to 12 inches.

6 feet equal to 6 × 12 = 72 inches 

48 inches, 48 inches, 72 inches

Problem 2 :

3 yards, 112 inches, 9 feet

Solution :

1 yard equal to 3 feet.

3 yard equals to 3 × 3 = 9 feet

12 inches equals to 1 feet.

112 inches equals to 112 × 12 = 1344 feet 

9 feet, 1344 inches, 9 feet

Problem 3 :

4 yards, 7 feet, 84 inches

Solution :

how much inches are in 4 yards?

1 yard equal to 3 feet.

4 yard equals to 4 × 3 = 12 feet

1 feet equal to 12 inches.

12 feet equal to 12 × 12 = 144 inches

1 feet equal to 12 inches.

7 feet equal to 12 × 7 = 84 inches

144 inches, 84 inches,84 inches

Problem 4 :

12 feet, 180 inches, 5 yards

Solution :

1 feet equal to 12 inches.

12 feet equal to 12 × 12 = 144 inches

5 yard = how many inches ?

1 yard equal to 3 feet.

5 yard equals to 5 × 3 = 15 feet

1 feet equal to 12 inches.

15 feet equal to 15 × 12 = 180 inches

144 inches, 180 inches, 180 inches

Problem 5 :

12 yards, 144 inches, 36 feet

Solution :

12 yard = how many inches ?

1 yard equal to 3 feet.

12 yard equals to 12 × 3 = 36 feet

1 feet equal to 12 inches.

36 feet equal to 36 × 12 = 432  inches

1 feet equal to 12 inches.

36 feet equal to 36 × 12 = 432 inches

432 inches, 144 inches, 432 inches

Problem 6 :

8 feet, 72 inches, 2 yards

Solution :

1 feet equal to 12 inches.

8 feet equal to 8 × 12 = 96 inches.

2 yard how many inches ?

1 yard equal to 3 feet.

2 yard equals to 2 × 3 = 6 feet

1 feet equal to 12 inches.

6 feet equal to 6 × 12 = 72 inches

96 inches, 72 inches, 72 inches

Problem 7 :

Which is longer : 2 feet or 28 inches ?

Solution :

28 inches is longer.

Because 1 feet equal to 12 inches

2 feet equal to 2 × 12 = 24 inches

24 inches or 28 inches

Problem 8 :

Which is less : 4 feet or 40 inches ?

Solution :

40 inches is less.

Because 1 feet equal to 12 inches

4 feet equal to 4 × 12 = 48 inches

48 inches or 40 inches

Problem 9 :

How many inches are in 5 feet ?

Solution :

1 feet equal to 12 inches.

5 feet equal to 5 × 12 = 60 inches

60 inches are in 5 feet.

Problem 10 :

James is five feet tall. Caroline is 53 inches tall. Who is taller ?

Solution :

James = 5 feet tall

Caroline = 53 inches tall

James is taller.

Because 1 feet equal to 12 inches.

5 feet equal to 5 × 12 = 60 inches

Problem 11 :

Rachel, kim, and Lori each measure the length of a rope. Rachel says the rope is 15 feet long. Kim say it's 180 inches long. Lari says it's 5 yards long. Do the girls all agree ? Explain.

Solution :

Rachel rope = 15 feet long

kim = 180 inches long

Lori = 5 yards long

1 feet equal to 12 inches.

15 feet equal to 15 × 12 = 180 inches

5 yard how many inches ?

1 yard equal to 3 feet.

5 yard equals to 5 × 3 = 15 feet

15 feet equal to 12 inches.

15 feet equal to 15 × 12 = 180 inches

Yes, because 15 feet, 180 inches and 5 yards are all equal lengths.

Problem 12 :

Jerry, Barry, and Harry went fishing and they each caught a giant fish ! Jerry's fish is 62 inches long. Barry's fish is 7 feet long. Harry's fish is 2 yards long. Who caught the longest Fish ?

Solution :

Jerry's fish length = 62 inches 

Berry's fish length = 7 feet

Harry's fish length = 2 yards

1 feet equal to 12 inches.

7 feet equal to 7 × 12 = 84 inches

2 yard = how many inches ?

1 yard equal to 3 feet.

2 yard equals to 2 × 3 = 6 feet

1 feet equal to 12 inches.

6 feet equal to 6 × 12 = 72 inches

Barry's fish was the longest.