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Variables
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1)
If each match box contains 50 matchsticks, the number of matchsticks required to fill n such boxes is
50n
50÷n
50 – n
50 + n
2)
In algebra, the variable letters may stand for
Known quantities
None of these
Fixed numbers
Unknown quantities
3)
Variable means that it ____________________.
can take different values.
has a fixed value.
can take only 2 values.
can take only three values.
4)
In algebra, a × b means ab, but in arithmetic 3 × 5 is
35
53
15
8
5)
Hannah has b books. Davina has 70 more books than Hannah. Choose the expression that shows how many books Davina has.
70
b – 70
b + 70
b
6)
Josephine has g gumballs. Geneva has 15 fewer gumballs than Josephine. Choose the expression that shows how many gumballs Geneva has.
15 - g
g + 15
g – 15
g
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:
15-y
15+y
15/y
15y
11)
: A teacher distribute 15 pencils per student , how many pencils are needed for ‘y’ students:
15-y
15+y
15/y
15y
Cite this Simulator:
aven.amritalearning.com,. (2013). Variables. Retrieved 27 January 2021, from aven.amritalearning.com/?sub=99&brch=292&sim=1516&cnt=3518
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