Decimals, Side Lengths, Area and Perimeter

How do we solve for Perimeter?  

• length x width
• L x W
• Add all the sides
• add then multiply by 4

Tags

CCSS.3.MD.D.8

How do we solve for AREA of a rectangle?  

• multiply side times 6
• Length x width
• cannot solve, there are no numbers
• add all the sides together

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

If you are finding the distance around an object, what are you solving for?  

• Area
• Volume
• Plus and Minus
• Perimeter

What did I do wrong when solving for perimeter?
Length:  7 cm
Width:  4 cm
7 x 4 = 28 squared cm

• your answer should be 28 cm
• you multiplied, you should add 7 + 7 + 4 + 4
• you solved for perimeter
• you should multiply 4 x 7 

Tags

CCSS.3.MD.D.8

What is the perimeter of this rectangle?

• 21 units
• 12 units
• 3 units
• None of the above.

What is the perimeter of this rectangle?

• 21 units
• 12 units
• 3 units
• None of the above.

the # of squares inside an object is called it's

• area

• perimeter

• volume

• circumference

Tags

CCSS.3.MD.C.6

The word "square" lets you know you are going to solve for?

• Area

• Perimeter

• Volume

• Surface Area

Tags

CCSS.3.MD.D.8

The words "distance outside" lets you know you are going to solve for?

• Area

• Perimeter

• Volume

• Surface Area

The formula 
P = 2L + 2W
is to find

• Area 
• Perimeter
• Surface Area
• Volume

Tags

CCSS.3.MD.D.8