Integers and Indices
-5 - (-2) =
-3
What is the perimeter of a square with a one side length is 10cm
40cm
Simplify 5/15
1/3
What is the sample space of throwing a dice
1,2,3,4,5,6
2/3 x 1/2
(simplified)
2/6 = 1/3
- 5 x -2
10
What is the area of a square with one of it length being 10cm
100cm2
Round 12.456 to 2 decimal places
12.46
What is the probability of rolling an even number on a die (simplified)
1/2
1/3 + 1/4 =
7/12
The lowest common multiple of 5 and 2 is
10
1.2 meters = ? cm
120cm
Write as an improper fractions 2 2/5
12/5
What is the likelihood of the sun will rise tomorrow morning
Certain
0.7 x 0.2
0.14
Highest common factor of 18 and 27 is
9
If the area of rectangular prism is 8cm2 and the height is 2cm. What is the volume of this prism
16cm3
What is 0.75 as a fraction
75/100 or 3/4
What is the complementary event of rolling a 2 on a six sided die
5/6
1/2 divided by 1/2
2/2 = 1
53 expanded
5 x5 x 5
The area of a rectangle is 90cm2, the length is 10cm what is its height
9cm
What is 0.25 as a fraction (simplified) and a percentage
1/4 and 25%
On a spinner with the numbers of 1,2,3,4. I come up with the following after 10 spins
1,4,1,3,3,1,4,3,2,3
Based on this experiment, what is the expected value of obtaining a 3 if I spun it 1000
4/10 x 1000
= 4000
If a pair of shoes has 25% off, which the discount is $50. What is the original price
If 1% = 50 divide by 25 = 2
Then 100% (the full cost) = 2 x 100 = $200