One step equations
5v = 20
v=4
if x=4 find x + 3
7
Tim is x years old. Tom is 3 years older than him. How old is Tom? Express your answer in
in terms of x.
Tom is x + 3 years old
3w + 7 = 22
w = 5
Give an example of a variable
a,b, c, d,...............x,y,z
3w + 7 = 19
w=4
if a = 2 and b = 4 find
a + 2b
10
James is 5 years younger than Jim.If Jim is x years old. How old James? Express your
answer in terms of x.
James is x-5 years old
6r - 3 = 21
r = 4
State the coefficient in the expression
2x + 17
2
15 - g = 7
g=8
If a = 3 and b=2
4a - 2b
8
Pipa saved thrice as much as Penny. If Penny has $y, how much money does Pipa have?
Express your answer in terms of y.
Pipa has $3y
7 = 1/3 w + 2
w = 15
Workbook page 21 # 1a(v)
E = 3/4, 4 3/4 or
0.75, 4.75
6 = r/2
r=12
If a= 2, b=4 and c = 5
find 2a + 2b - c
7
Zack ate z sweets at a birthday party. He ate twice as much as his sister Zara. How
many sweets did Zara eat? Express your answer in terms of z.
w/5 - 3 = 3.5
w = 32.5
Textbook page 30 # 4b
x=2.5
4w = 45
w= 11.25
if k=25 and h = 3
find k/5 + 2h
11
Ben has w marbles in his marble collection. Fiona has 6 fewer marbles than Ben, and Guy has half as many marbles as Ben. How many marbles do Fiona and Guy have altogether?
Fiona and guy have
(w-6) + w/2 marbles
(c + 6)/ 7 = 3
c=15
Using only addition, add eight 8s to get the number 1,000.
888 + 88 + 8 + 8 + 8 = 1,000.