Integer Operations
-4 - 3 x (-2)
8
Round 11.082 to two decimal places
11.08
Express 0.54 as a percentage
54%
Simplify 42:28
6:4
Cost Price: $20, Selling Price: $25
How much profit was made?
$5
Find the LCM of 8 and 12
24
Round 0.00245 to two significant figures
0.0025
Express 4% as a fraction
1/25
Write 80cm:1.2m in simplest form
2:3
Find the interest:
P=$5200, Rate=4%, Time=2 years
$416
Evaluate by substituting x=3 and y=-5:
2x-7y
41
Which is larger: 5/6 or 3/4
5/6
Convert $140 out of $5 to a percentage
2800%
Divide $500 into 2:3
200:300
Hourly rate is $12.50 an hour. How much would you make working 3 hours at time and a half?
$56.25
23-√16
4
Place these fractions in descending order:
8/15, 23/40, 7/12
7/12, 23/40, 8/15
25% of x is $127. What is x?
508
Write this rate in simplest form:
180mL in 22.5 hours
8mL/hr
Annie invests $22,000 at a rate of 4%p.a. for 27 months. Calculate the amount available at the end of the 27 months.
$23,980
Insert brackets to make this true:
2 - 5 x (-2) = 6
(2 - 5) x (-2) = 6
The fraction x/3 is a number between (not including) 10 and 11. What could x be?
31 and 32
In a class of 25 students, 40% have been to Europe. What number of students have not been to Europe?
15
Cordial dilution is 2 parts cordial to 3 parts water. If you have 72mL of cordial, how much water do you need?
108mL
If $4500 earns $120 simple interest at a flat rate of 2% p.a., calculate the duration of the investment.
16 months