Maths Y7 Flashcards
~5 + 37 =
32
200 divide by ? = 5
40
42 divide by ? = 7
6
What is a “mean” in math?
All data is added & the total is divided by the number of items
What is “median” in maths
When data is arranged in order of size, the median is the one in the middle. If two middle numbers the median is in the middle of these 2 numbers.
What is Mode
The number which occurs most often ( as set of data may have more than one mode)
What is the range?
The difference between the largest & smallest value
If 8 people were 8, 4, 6, 10, 7, 6, 6, 9 what is :-
- The mean shoe size?
- The median?
- The mode?
- The range?
- 7
- 6.5
- 6
- 6
Simplify :-
- 5y - 2y
- 2n + n
- 3y
2. 3n
a = 3b + 5
Find a, when b = 4
17
F = gh + h
Find f, when g = 5, h = 9
54
What is the next sequence
60, 54, 48, 42, ?
36
Find the missing numbers from the sequence
4, ?, 10, 13, ?
7 & 16
Share £35 in the ratio 5:2
£25 & £10
(Added ratio together 5:2 = 7, divide into total £35 gives you value of 1 part £5 the x on part by ratio - £5 x 5 = £25 & £5 x 2 = £10)
Simplify 9/12
3/4
5/9 - 2/9
3/9
Factors of 8
1, 2, 4, 8
First 5 prime numbers
2,3,5,7,11
First 5 multiples of 5
5, 10, 15, 20, 25, 30
Covert 1/4 into a decimal fraction
0.25
What are factors of 12
1 x 12, 2x6 & 3 x4
Factors of 100
1, 2, 4 , 5, 10, 20, 25, 50, 100
What is the area of a triangle base 5cm sides 10 cm ?
25 cm squared
5x10 divide by 2
Round the following -
- 8.8 to nearest whole number?
- 2643 to the nearest hundred?
- 83.7649 to one decimal points
- 9
- 2600
- 83.8
You have 8 cards numbered 1 to 8. You selected at random a disc what is probability of picking?
A) 5
B) and odd number
C) a number less than 6
A) 1/8
B) 1/2
C) 5/8
308 + 4865=
5173
