Customary Length 8.4A

Customary Measurment System

Objective: Students will identify reasonable units within the customary measurement system. (4.8A)

I CAN identify real-world examples of customary units.

​Measurement Length

Poll

How much do you already know about customary measurement units?

• I know a lot

• I know a little

• I don't know anything

​Misconceptions about Customary units . . .

• Students confuse customary and metric measurement systems.

  • Customary-US (in./ft/yd/mi) and Metric-worldwide (mm/cm/m/km)

  • Misuse of ruler (picking the wrong measurement system)

​A system of measurement used in the United States to measure length, capacity, weight and temperature.

​

Customary Units

Open Ended

What are some situations that you would need precise measurement of length or distance?

Comprehend:

What do you see?

What do you know?

What type of questions could be asked?

​

Think about our CASE Model

​REAL WORLD CONNECTIONS

Match

Match the following items with each type of customary unit.

Inches

feet

yards

mile

• Inches

• feet

• yards

• mile

Poll

How do you feel about measuring real-life objects using the customary measurement system?

• Awesome!

• Okay

• Might need some support

Students will work with a partner and choose items from the choice board using a ruler or yardstick.

(Use inches/feet/yards)

​

​Classroom Scavenger Hunt

​*I CAN identify real world examples of reasonable customary units.

• Match multiplication equation with the product.

• Once you have found your partner, go back to a table and have a seat.

• Don't forget to use your sentence stems "Let's Talk Math"

  • I am thinking. . .

  • I agree/I disagree because . . .

  • I think we should use . . . because . . .

​

​Find your partner!

​Partner Expectations . . .

Students will work with a partner and choose items from the choice board using a ruler or yardstick.

(Use inches/feet/yards)

​

​Classroom Scavenger Hunt (8 min.)

​*I CAN identify real world examples of reasonable customary units.