Understanding Lengths and Fractions

The video tutorial explains how to measure lengths using inches, focusing on converting between mixed numbers and improper fractions. It provides examples of measuring lengths and partitioning them into smaller units to determine exact measurements. The tutorial emphasizes the importance of including units when giving measurements and demonstrates how to express lengths as both mixed numbers and improper fractions.

Why is it important to include units when measuring length?

• To confuse the reader

• To avoid using numbers

• To make the measurement look longer

• To ensure accuracy in measurement

Tags

CCSS.3.G.A.2

What is the length of the first blue bar in mixed number form?

• 4 inches

• 3 and 1/2 inches

• 7 inches

• 3 inches

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many 1/2 inch partitions are there in the first blue bar?

• 8

• 7

• 6

• 5

What is the improper fraction equivalent of 3 and 1/2 inches?

• 7/2

• 6/2

• 8/2

• 5/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the length of the second blue bar in mixed number form?

• 5 and 3/4 inches

• 5 and 1/2 inches

• 6 inches

• 6 and 1/4 inches

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many 1/4 inch partitions are there in the second blue bar?

• 20

• 21

• 22

• 23

What is the improper fraction equivalent of 5 and 3/4 inches?

• 22/4

• 24/4

• 23/4

• 21/4

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the length of the final blue bar in mixed number form?

• 1 and 1/2 inches

• 1 and 3/4 inches

• 1 and 5/8 inches

• 2 inches

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many 1/8 inch partitions are there in the final blue bar?

• 13

• 15

• 14

• 12

What is the improper fraction equivalent of 1 and 5/8 inches?

• 11/8

• 12/8

• 13/8

• 14/8