WorksheetsCONSTRUCTING EXPRESSIONS & USING FORMULAE
Total questions: 50
Worksheet time: 3hrs 30mins
7x + 6y - 9
12r when r =4
Nine more than a number
9x
9 - x
9 + x
9 + 9
The difference of five and a number
5 - m
5/m
5 + m
5 - 5
seven divided by a number
7/n
n/7
49/7
n/n
The product of a number and twelve
x/12
x - 12
12 + x
12x
A number increased by five.
5x
x + 5
x + x + x + x + x
5 + 5
Half of a number
x / y
2 / x
2x
x / 2
The sum of six and a number
6 + p
6 - p
p + p
6p
A number decreased by ten
10x
x/10
10 - x
x - 10
Four times a number increased by seven
4 + 7x
4x - 7
4x + 7
4 - 7x
Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.
g+29
g-29
29g
g ÷ 29
You and four friends plan a surprise party. Each of you contributes the same amount of money m for food. What is the algebraic expression for the total amount of money contributed for food?
5m
4 + m
5 / m
4m
Mitch has 35 more bouncy balls than Rudy. Rudy has b bouncy balls. Choose the expression that shows how many bouncy balls Mitch has.
35 - b
b
35
b + 35
Which expression matches: the product of nine and a number
9 + x
9x
9 ÷ x
9 - x
Your mom wins $100 on a scratch-off ticket. She wants to split it between you and your sisters. How much will each of you receive if there are c children?
100 - c
100 + c
100 ÷ c
100c
Tracy has 16 oatmeal cookies. She splits them evenly among b bags. Choose the expression that shows how many cookies are in each bag.
b – 16
16
16b
16 ÷ b
if a = 10 and b = 6
6 minus a number
the product of 5 and a number
8 more than a number
What do you do first?
3 x 48 ÷ (15 - 3)
A (n) _______________ connects numers and variables with mathematical operations such as ( +,−,×,÷ )
function
formula
expression
equation
Which is NOT an expression
2x+5=4x+13
5x-3y
2x+y-z
x-4
Write an expression for '3 times a number add 4'
3 x n + 4
3 + n + 4
3n + 4
If b=10 , find b40 .
10
2
30
4
Allison sold 12 more boxes of cookies for the fundraiser than Emily. If e = the number of boxes Emily sold, how many did Allison sell?
12e
e - 12
12/e
e + 12
Which is an algebraic expression for each of the following situations?
x - 7
7 - x
7x
x/7
Which is an algebraic expression for the following situation?
(y + z) ÷ 9
9 (y + z)
(9 + z) ÷ y
z
Given that p = 5 , q = 2, find the value for the following expression.
12
10
8
-12
In 8r - 3 , the VARIABLE is ___
8
r
-
3
work out this expression
p + 5 when p = -3
2
-2
-4
work out this expression
j/4 when j = - 20
-5
5
-10
work out this expression
q - 6 when q = 4
-3
-2
-4
find 2x + 3y when x = 4, and y = 5
25
23
24
