Grade 3 Math Practice

How would you find the perimeter of a polygon?

• Subtract the small sides from the big sides.

• Multiply all of the sides.

• Add the top and bottom sides only.

• Add up all of the sides on the outside of the shape.

Tags

CCSS.3.MD.D.8

How would you find the area of a polygon?

• Add the length and the width of the polygon.

• Add up all of the sides of the polygon.

• Multiply the length and the width of the polygon.

• Multiply each side of the polygon together.

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.7

Choose the correct equation for finding the area of a polygon.

• Area = Length + Width

• Area = Length x Width

• Area = Length x Width + Height

• Area = Side + Side + Side + Side

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

Choose the correct equation for finding the Perimeter of a 4 sided polygon.

• P = Length x Width

• P = Length + Width

• P = Side + Side + Side + Side

• P = Side x Side x Side x Side

Tags

CCSS.3.MD.D.8

The Perimeter of this triangle is ______. (don't forget units)

• 12

• 12 cm

• 13 cm

• 13

Tags

CCSS.3.MD.D.8

The Perimeter of this polygon is _____. (don't forget units)

• 30 in

• 32 in

• 32

• 30

Tags

CCSS.3.MD.D.8

The Area of this Polygon is _____. (don't forget units)

• 20 cm

• 20

• 25

• 25 cm

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

The Area of this polygon is _____.

• 12 ft

• 12

• 36

• 36 ft

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

The Perimeter of this polygon is _____.

• 23 cm

• 25 cm

• 24 cm

• 34 cm

Tags

CCSS.3.MD.D.8

The Perimeter of this polygon is _____.

• 8 cm

• 15 cm

• 16 cm

• 18 cm

Tags

CCSS.3.MD.D.8