Understanding Area and Rectangles

In this video, Mr. J guides students through an area mastery check, where they solve four area problems independently and then review the solutions together. The video begins with instructions on how to approach the problems, followed by detailed solutions for each problem, demonstrating the use of the area formula (length times width) with different units and dimensions. Students are encouraged to pause the video, solve the problems, and then check their answers against the provided solutions.

What is the purpose of the area mastery check?

• To practice solving area problems independently

• To explore different shapes

• To learn new mathematical concepts

• To test knowledge on perimeter

What should you do if you need more help with the area problems?

• Watch the instructional video linked in the description

• Skip the problems

• Ask a friend for help

• Guess the answers

Tags

CCSS.3.MD.C.6

What should you have ready before starting the area problems?

• A calculator

• A ruler

• A computer

• Something to write with and on

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

In the first problem, if the length is 8 and the width is 3, what is the area?

• 24 square meters

• 32 square meters

• 11 square meters

• 16 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which formula is used to calculate the area of a rectangle?

• Area = length - width

• Area = length x width

• Area = length + width

• Area = 2 x (length + width)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangle if the length is 3 and the width is 8?

• 16 square meters

• 32 square meters

• 11 square meters

• 24 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangle with a length of 10 and a width of 12?

• 120 square inches

• 100 square inches

• 110 square inches

• 130 square inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 6 yards and a width of 18 yards, what is its area?

• 54 square yards

• 96 square yards

• 72 square yards

• 108 square yards

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a garage with a width of 25 feet and a length of 20 feet?

• 450 square feet

• 475 square feet

• 525 square feet

• 500 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the final step after solving the area problems?

• Redo the problems

• Ignore the results

• Submit your answers

• Check your answers with the provided solutions

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3