Erins Revision Flashcards
1
Q
What is the square root of 169?
A
13
2
Q
What is the cube root of 64?
A
4
3
Q
What is 288 divided by 12?
A
24
4
Q
What is 285 divided by 15?
A
19
5
Q
What is 425 divided by 25?
A
17
6
Q
How can you simplify ratios easily?
A
Divide all the numbers by 2 untill at least one can’t go any smaller before going into decimals.
7
Q
The ratio of girls to boys in a class is 4:5. What fraction of the class are girls?
A
4/5
8
Q
How do you find the surface area of a rectantangle prism?
A
You find the area of length x width then width x hight then length x hight and add them together.
9
Q
What is the smallest of these: 0.1, 0.01, 0.05 and 0.95
A
0.01
10
Q
Which of the 3 pairs are equal?
12.5% and 1/8
30% and 1/3
or 50% and 2/5?
A
12.5 and 1/8
11
Q
13 x 12?
A
156
12
Q
4 x 8?
A
32
13
Q
( 9 x 3 ) + 4?
A
31
14
Q
8 cubed?
A
512
15
Q
10: 12 in its simplest form? (no decimals)
A
5:6
