Measuring Length in 2nd Grade Math

In this video, Felix introduces the concept of measuring the length of large objects using smaller, uniform objects. He demonstrates this by using paint pots to measure a paintbrush and toy cars to measure pencils and a book. The video emphasizes the importance of using objects of the same size and placing them without gaps. The lesson concludes with a summary of the key points learned about length measurement.

Why is it important to use objects of the same size for measurement?

• To make the objects look nice

• To ensure accuracy in measurement

• To make it easier to count

• To use fewer objects

Tags

CCSS.2.MD.A.3

How many paint pots long was the paintbrush?

• Five

• Four

• Three

• Six

Tags

CCSS.2.MD.A.3

Who measured the pencils correctly by ensuring no spaces between the pots?

• Erica

• Neither

• Alexis

• Both

Tags

CCSS.2.MD.A.1

Who measured the pencils with no spaces between the measuring objects?

• Erica

• Felix

• Alexis

• Both Alexis and Erica

Tags

CCSS.2.MD.A.1

Which object was used to correctly measure the length of the large pencils?

• Both

• Neither

• Toy cars

• Paint pots

Tags

CCSS.2.MD.A.3

What was the length of the red firefighter book?

• Eight cars long

• Five cars long

• Six cars long

• Seven cars long

Tags

CCSS.2.MD.A.3

What was the length of the sold out sign?

• Seven cars long

• Five cars long

• Six cars long

• Four cars long

Tags

CCSS.2.MD.A.3

What is crucial to ensure when measuring objects with other objects?

• That the objects are of different sizes

• That the objects are colorful

• That the objects are heavy

• That the objects are of the same size

Tags

CCSS.2.MD.A.3

What should be done after placing the first smaller object at the end of the larger object?

• Paint the smaller object

• Remove the smaller object

• Place another larger object

• Count the smaller objects

Tags

CCSS.2.MD.A.3

What principle was emphasized for accurate measurement?

• Using as many objects as possible

• Using the longest objects available

• Using objects of the same size

• Using colorful objects

Tags

CCSS.2.MD.A.3