Geometry Problems and Measurement in 3rd Grade Math

This video tutorial for third graders covers lesson 6.5 on geometry, focusing on measurement data and polygons. Students are guided to draw rectangles and calculate their area and perimeter. The lesson progresses to drawing various polygons and identifying their attributes. The video also includes solving math problems using estimation and arithmetic operations. Students are encouraged to use their math journals and templates for drawing shapes.

What items are needed for the geometry lesson?

• Whiteboard, marker, eraser, math journal, and a template

• Calculator, protractor, and ruler

• Laptop, geometry software, and headphones

• Textbook, notebook, and pencils

How do you calculate the perimeter of a rectangle?

• Multiply length by width

• Add all four sides together

• Subtract the shorter side from the longer side

• Divide the area by one of the sides

What is the area of a 6 foot by 2 foot rectangle?

• 24 square feet

• 16 square feet

• 12 square feet

• 8 square feet

What defines a rhombus that is not a square?

• Four equal sides and four right angles

• Four equal sides with no right angles

• Unequal side lengths

• Only two parallel sides

What makes a shape a parallelogram?

• Only one pair of parallel sides

• Four right angles

• Opposite sides are parallel and equal in length

• All sides of equal length

What are the attributes of a rectangle?

• All sides are parallel

• Four sides of equal length

• Four right angles and parallel opposite sides

• Only two right angles

How do you estimate the result of 193 minus 49?

• Round to 190 minus 50

• Round to 190 minus 40

• Round to 200 minus 40

• Round to 200 minus 50

What is the result of 5 times 8?

• 13

• 40

• 50

• 45

How many water bottles are there after adding five packs of eight?

• 385

• 393

• 40

• 425

What fraction of the circle is shaded?

• 3/4

• 1/2

• 1/4

• 1/3