Area of Rectangles and Triangles

How do you find the area of a RECTANGLE?

• 
  

  $b\ +\ h\ \div\ 2$

• $length\ \times width$

• $length\ \div height$
  

• $height\ \ \approx\ base\ \div\ 2$

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

The formula for area of a rectangle is:

length x ________

• base

• triangle

• width

• height

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 218

• 216

• 389

• 21

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 96

• 91

• 20

• 21

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 2188

• 150

• 15

• 21

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 18

• 150

• 108

• 21

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the formula for area of a TRIANGLE?

• $base\ x\ height\ \div3$

• $base\ +\ height\ \approx\ 4$

• $base\ x\ height\ \div2$

• $base\ x\ 2\ \div6$

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 84

• 81

• 86

• 21

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this RECTANGLE?

• 80.89

• 80.64

• 86.24

• 90.65

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7

What is the area of this triangle?

• 60

• 30

• 35

• 75

Tags

CCSS.3.MD.C.5

CCSS.3.MD.C.6

CCSS.3.MD.C.7