Grade 4 - Progress in Mathematics

Find the value of each variable.

13. 
    
    2
    3
    of 15 n 14.
    

5

8 
of 16 a 15. 

5

6 
of 18 x

16. 
    
    3
    7
    of 21 b 17.
    

3

8 
of 40 v 18. 

2

5 
of 25 d

19. 
    
    3
    4
    of 32 s 20.
    

2

9 
of 27 c 21. 

5

7 
of 14 u

22. 
    ^45
    of 45 m 23.
    ^38
    of 64 p 24.
    ^89
    of 9 t
    26. Jim raised 28 rabbits. Of these, 27. Of 30 retrievers at the kennel,
    
    ^34
    were black and white. How
    ^45
    were golden retrievers. How
    many were not black and white? many were golden retrievers?
    28. Mr. Green has 64 chickens. Of 29. Of 150 birds that came to the
    these,
    ^38
    are Rhode Island Reds. feeder,
    ^23
    were finches. How
    How many are Rhode Island Reds? many were not finches?

Find the original number.


^12 
of n 6

To find the original number, multiply the whole number by the denominator.

2  6  12 So, 
^12 
of 12 6.

Find the original number.

30. 
    ^12
    of n 14 31.
    ^14
    of n 24 32.
    ^15
    of n 10

Think

Halves mean 2 equal groups.

Number of groups Number in each group

25. There are 16 fish in Fiona’s fish tank.
    How many mollies and swordtails
    does Fiona have in her tank?

1

4

Mollies

3

4

Swordtails

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