6th Grade Math Textbook, Progress

Use formulas to find the areas. Estimate to help.

1. 
   
   
   
   2. 
      
      
      
      3. 
         
      
      
      
      
   
   
   
   


2. 
   
   
   
   5. 
      
   
   
   
   


3. 
   
   
   
   7. 
      
   
   
   
   


4. Find the total area of 8 rectangular 9. How many 4-in. square tiles are needed
   wooden panels if each measures to cover an 8 ft by 16 ft wall?
   5.2 cm by 7.6 cm. (Hint: 1 ft^2
   144 in.^2 )

Find each missing dimension. Use Guess and Test.

12. Area of square: 144 in.^2 13. Area of square: 625 cm^2
    Find the length of a side. Find the length of a side.
    ss
    12 in. 12 in.
    144 in.^2 14. Area of rectangle: 276 m 2
    s
    12 in. Width
    12 m
    s 
    Find the length.

Draw a diagram and use a formula to solve each problem.

13.5 cm

10.3 cm

1 yd^12

1 yd

1

2

7 ft^23

2 ft^12

7 m

2.5 m

2.5 m

2.5 m

1 in.^13

4 in.

113 in.

4 in.

1 in.^13

4 in.

11 ft

12 ft

4 ft

4 ft

9 ft

18 in.

9 in.

12 in.

6 in.

7 in.

8 in.

21 in.

11. A rectangular floor is 7.5 ft long. It is
    4 times as wide as it is long. How
    many square yards of vinyl are
    needed to cover this floor?


12. How many square yards of carpeting
    are needed to cover a floor that is 9 ft
    wide and 15 ft long? (Hint: 9 ft^2
    1 yd^2 )

8206-2_464-465 3/23/06 2:29 AM Page 465