Order of operations
(30/5) + 2 x 3^2 =
^ = to the power of
24
16/32
1/2
Write 3.7 as a fraction in simplest form.
3 7/10
If there are 6 boys and 3 girls, what is the ratio of girls to boys in lowest form?
1:2
Simplify: 5 + x + 3
x + 8
(5 x 3)6 + 8/2 - 6 +3 =
91
60/144
5/12
Calculate: 5.8 + 2.46
8.26
Simplify: 16:4
4:1
If n = 6, calculate 4n + 2.
26
4 + 2(8^2 -4) - 20/2 =
470
4/12
1/3
Calculate: 12 − 4.375
7.625
Solve for x to make these proportional: 5/6 = x/36
x = 30
Solve: x + 9 = 21
x = 12
5x2 + 10 -3 x 5^2 =
-55
3/39
1/13
A bottle holds 1.5 L of water. Emma drinks 0.65 L. How much water is left?
0.85 L
Simplify: 144:60
12:5
The perimeter of a rectangle is 2l + 2w. If l = 8 cm and w = 5 cm, find the perimeter.
26 cm
5x4 (10x2) + 6 =
406
180/240
3/4
A shop advertises 25% off a backpack that normally costs $84.80. What is the sale price?
$63.60
Last week Bill earned $210 for a 30-hour week. What was his pay rate? What would he have earned for a 40-hour week?
Pay rate = $7/hour In a 40-hour week Bill would have earned $280.
A number is multiplied by 4 and then 7 is added to give 39. What is the number?
8 (because 4x+7=39)