Grade 4 - Progress in Mathematics

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CHAPTER 9

Practice 9-1

Solve. Write the answer in lowest terms.

1a. 
^68 

^18 
 b.
 140 

 120 


2a. 3 
^35 
 2 
^15 
 b. 9 
^78 
 4 
^38 


3a. 
^23 

^46 
 b.
 180 

^35 


4a. 
^12 

^14 
 b.
^25 

 130 

List the first six common multiples for each.

Circle the least common multiple.

5a. 4, 10 b.2, 6 c. 3, 6, and 9

Write as a whole number or mixed number in

simplest form.

6a. 
^1120 
 b.
^146 
 c. 
^242 

7. Len eats
   ^18
   of a pizza and Mia eats
   ^38
   of the
   pizza. What part of the pizza did they eat?


8. A recipe calls for
   ^34
   cup of milk. Rachel has
   
   ^18
   cup of milk. How much more does she
   need?


9. There are 6 red marbles and 3 blue
   marbles in a bag. Lou picks one without
   looking. What is the probability that Lou
   picks a red marble?


10. What is one fourth of 40?


11. What is
    ^25
    of 25?


12. Alan makes 20 brownies. He sells
    ^34
    of
    them at a bake sale. How many does
    he sell?


13. There are 35 horses. One fifth of them are
    brown. How many of the horses are brown?

CHAPTER 10

Practice 10-1

Name each figure.

1a. b. c.

2a. b. c.

3. Which lines are parallel?


4. Which lines are notperpendicular?
   a. b. c.

5.What shape is formed when two rays share

a common endpoint?

6.How many sides does a triangle have?

a pentagon? a hexagon?

7. How many vertices does a quadrilateral
   have? an octagon?


8. Name this figure.


9. Name the diameter
   and two radii.


10. Is this a simple
    closed curve?


11. How is a square different from a
    rectangle?


12. A sign has 4 straight sides and 4 vertices.
    No 2 sides are the same length. What
    shape is the sign?


13. Is a circle a simple closed curve? Explain.

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