Year 8 Yearlyz Flashcards
What is P x 6
6p
What is t plus t plus t plus t plus t
5t
What is 6 x y x y
6y with a little 2
Write cd in an expanded form
C x D
X=5
Y=-2
Evaluate the expression
X plus y
3
X=5
Y=-2
Evaluate the expression
6x divide by y
-15
5k + 7k
12k
13m - 3m + 8m
18m
7x + 3y +3x + 7y
10x + 10y
5 x 2x
10x
4 x 2W x 4W
32W with a little 2
50x divide by 2
25x
15p
_
3p
5
How do you factorise expressions?
Find the HCF of all terms and write it outside the brackets
Divide each term by HCF, write them inside the brackets
For examlple
2x + 6
2(X + 3)
1cm =
10mm
1cm with little 2=
1cm x 1cm
1m =
100cm
1m with a little 2=
1m x 1m
1 ha=
100m x 100m
1km =
1000m
1km with a little 2=
1km x 1km
How to find the area of a triangle
Base x high divide by 2
How to find the area of a parallelogram
Base x height
How to find the area of a trapezium
Plus the parrel sides. Then x that by the height. Then divide it by 2