Grade 4 - Progress in Mathematics

Find the value of the variable.

10. n
    3  6 11. 15 a
    5 12. y
    6  36


11. 56 a
    7 14. b
    8  72 15. c
    2  2


12. 28 s
    4 17. t
    6  42 18. 20 p
    4


13. 9  72 d 20. 64 r 8 21. v 3  4


14. y
    6  0 23. 54  9
    p 24. a
    8  40


15. 
    
    
    
    26. 
        
        
        
        27. 
            
            
            
            28. 
                
            
            
            
            
        
        
        
        
    
    
    
    


16. 
    
    
    
    30. 
        
        
        
        31. 
            
            
            
            32. 8
                6
                x
            
            
            
            
        
        
        
        
    
    
    
    

1

3 
f

3

9 
d

2

9 
c

3

7 
x

4

4 
b

0

2 
m

5

9 
h

33. Amy’s garden has 9 rows for
    planting seeds. She has 81
    seeds to plant. How many
    seeds will she plant in each
    row so each row has the
    same number of plants?
    34. Amy’s garden has 8 rows of
    tomato plants. There is one
    tomato growing on each plant.
    There are 72 tomatoes
    altogether. How many tomato
    plants are in each row?

Match each definition with its multiplication property.

35. Changing the grouping of the factors
    does not change the product.


36. The product of a number and the
    sum of two addends is the same
    as multiplying the number by each
    addend and adding the products.


37. Changing the order of the factors
    does not change the product.

commutative property

associative property

identity property

zero property

distributive property

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