Grade 4 - Progress in Mathematics

Problem-Solving Applications:Mixed Review

10-13

Solve each problem and explain the method you used.

1. Sylvia’s Sign Shop made an octagonal
   sign. How many sides does it have?
   how many angles?


2. Val uses a rope to tie her horse to a
   post in the middle of a corral. What
   shape describes the region where the
   horse can move? Use the shapes at
   the right to help you.


3. The Dilly Deli ordered a sign in the
   shape of a pickle outline. Is the sign a
   simple closed curve?


4. Roy orders a square sign from the sign shop.
   Does his sign have half-turn symmetry?


5. 4 is to square as 8 is to.


6. Name the radii shown on circle A at the right.


7. On grid paper draw different figures using
   5 squares so that the squares touch along
   at least one entire side. In how many different
   ways can the squares be arranged?

Use the table for problems 8 –10.

8. How much does a hexagonal sign cost?


9. How much more expensive is a
   pentagonal sign than a triangular sign?


10. What is the cost of 2 rectangular
    signs and 1 triangular sign?

?

D

C E

B F

A

Sign Prices

Number Price

of Sides per Side

(4 ft each)

3 $ 25

4 $ 20

5 $ 45

6 $ 60

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