Variables
1)If each match box contains 50 matchsticks, the number of matchsticks required to fill n such boxes is
  

2)In algebra, the variable letters may stand for
  

3)Variable means that it ____________________.
  

4)In algebra, a × b means ab, but in arithmetic 3 × 5 is
  

5)Hannah has b books. Davina has 70 more books than Hannah. Choose the expression that shows how many books Davina has.
  

6)Josephine has g gumballs. Geneva has 15 fewer gumballs than Josephine. Choose the expression that shows how many gumballs Geneva has.
  

7)Solve 19 × j = 722 , j=

8)Using u = 3 and v = 2, the value of the expression u × 3 + 3 + v =  

9)For t = 7, the value of the expression t × 1.3= 

10): A teacher distribute 15 pencils per student , how many pencils are needed for ‘y’ students:
  

11): A teacher distribute 15 pencils per student , how many pencils are needed for ‘y’ students:
  


  


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