Free Printable Algebra - the concept of variables

1.

The diagram shows 3 cups and 2 marbles. If each cup contains $k$ marbles, the total number of marbles =

a)

$3k$

b)

$k+k+k$

c)

$3k+2$

d)

$k+2$

2.

The diagram shows 2 packets and 3 biscuits. How many biscuits are there altogether if each packet contains 20 biscuits?

a)

40

b)

43

c)

5

d)

23

3.

The diagram shows 2 packets and 3 biscuits. How many biscuits are there altogether if each packet contains $x$ biscuits?

a)

$2x+3$

b)

$x+3$

c)

$3+x$

d)

$2x$

4.

There are 3 packets and 10 nails. How many nails are there altogether if each packet contains 25 nails?

a)

60

b)

75

c)

85

d)

90

5.

There are 3 packets and 10 nails. If m = the number of nails in each packet, write an algebraic expression for the total number of nails.

(a)

6.

There are 5 balls of string plus a lengthof 0.3 m of string. Find the total length of stringif each ball has a length of 6m

a)

30m

b)

5.3m

c)

11.3m

d)

30.3m

7.

There are 5 balls of string plus a lengthof 0.3 m of string. If q = the length of string, in metres, in each ball, write an expression for the total length of string.

(a)

8.

Let z = the number of marbles in each cup. The total number of marbles =

a)

$z+1$

b)

$5z+1$

c)

$5+1$

d)

$5+z$

9.

Let z = the number of marbles in each cup. The total number of marbles =

a)

4

b)

$2z$

c)

z+4

d)

$4z$

10.

Let k = the number of blocks in each paper bag. Write an algebraic expression for the total number of blocks shown by the diagram.

a)

$5k+5$

b)

$k+5$

c)

$2k+5$

d)

$k+4$

11.

Let k = the number of blocks in each paper bag. Write an algebraicexpression for the total number of blocks shown by the diagram.

a)

$5k$

b)

$5k+5$

c)

$2k$

d)

$k+5$

12.

Let s = the number of pills in each cup and t = the number of pills in each bottle. Write an algebraic expression for the total number of pills shown by the diagram.

a)

$s+2$

b)

$s+t$

c)

$2s+t$

d)

$s+2t$

13.

Let h = the number of dice in each cup and k = the number of dice in each box. Write an algebraic expression for the total number of dice shown by the diagram.

a)

$h+k$

b)

$4h+3k$

c)

$4h+3$

d)

$h+3k$

14.

Let w = the number of marbles in each cup. Write an algebraic expression for the TOTAL number of marbles shown

a)

$2w+7$

b)

$w+3$

c)

$2w+4$

d)

$2+7$

Algebra - the concept of variables

Total questions: 14

Worksheet time: 14mins

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