Finding the Area of Rectangles and Squares

Select all the true statements about this shape (Hint: Select all means more than one)

• The area can be found by decomposing into rectangles

• The area cannot be found because there are too many measurements

• The area can be found by multiplying 60x30 and subtracting missing pieces

• The area can be found by adding all the side lengths together

Tags

CCSS.3.MD.C.7D

Jada said that she found the area of figure A by cutting it into 3 rectangles, finding their separate areas, and then adding those areas. Which strategy best describes what Jada did?

• decomposing and rearranging

• decomposing

• enclosing and subtracting

• counting grid squares

Diego said he can find the area of figure B by first multiplying 6x6. What should Diego's next step be?

• adding the area of 1 and 2

• subtracting the area of 1 and 2

• Nothing. His area is 36 square units

• decomposing and rearranging

Tags

CCSS.3.MD.C.7D

Select all strategies that could be used to find the area of this shape. (Hint: Select all means more than one)

• The area can be found by counting the number of squares that touch the edge of the shape

• The area can be found by adding 5x2, 4x2, and 2x2

• The area of the shape is 22 square units

• The area can be found by counting the number of grid squares inside the shape

Tags

CCSS.3.MD.C.5A

What is the definition of area?

• The inside of the figure

• The distance around a figure

• The number of square units it takes to cover a figure

• Length times Width

What's the formula for area of a square?

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of this rectangle?  
Length:  9 cm
Width:  3 cm 

• 24 square cm

• 27 square cm

• 93 square cm

• 27 cm 

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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.3.MD.C.7B

CCSS.4.MD.A.3

Which of the following will give you the largest area?
A: 8 by 8
B: 9 by 8
C: 10 by 2
D: 11 by 1

• A

• B

• C

• D

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the perimeter of a SQUARE is 16, what is the side length?  

• 8 cm

• 4 cm

• 16 cm

• cannot be solved

Tags

CCSS.4.MD.A.3