Maths Flashcards
Dave says
The only quadrilateral with two lines of symmety is a rectangle
Is dave correct?
No
Here is a sequence of numbers:
64 ,49 ,36 ,25 ,16
What is the name given to these numbers?
square numbers
Here is a sequence of numbers:
1, 3, 6, 10, 15
What is the name given to these numbers?
triangle numbers
Here is a sequence of numbers:
1, 1, 2, 3, 5, 8
What is the name given to this sequence?
fibonacci sequence
If x=6, find the value of
a) x + 4
b)3x
c)x/2
a)10
b) 18
c) 3
If x=5, find the value of
a)x squared
b) (x+3) squared
a)25
b) 64
If a=7 b=2 find the value of
a)a-b
b)2a+3b
c)2ab
d)(a-b) squared
a) 5
b)20
c)28
d)25
Here is an equation:
y=3x+5
a) When x=10, what is the value of y?
b)When x=-10, what is the value of y?
a) 35
b) -25
n=24
What is 2n+10?
58
If a=-3 what is the value of:
a)2a
b)a squared
c)3a squared
A)-6
B)9
C)81
Factorise 8x+12
4(2x+3)
Factorise 5x+10
5(x+2)
All the factors of 10
1, 2, 5, 10
All the factors of 15
1, 3, 5, 15
Is 3 a factor of 12?
Yes because 3x4 is 12
Expand 3(x+4)
3x+12
Expand 2(3x+7)
6x+14
Expand 5(2x-1)
10x-5
Expand x(3x+2)
3x squared+2x
Simplify 8x+5x
13x
Round the following to the nearest 10
a)83
b)127
c)245
a)80
b)130
c)250
What does the sentence:
“May I have a large container of coffee.
Thank You.”
Stand for?
The first 10 digits of PI
A triangle has two equal sides.
a)What is the special name of this triangle?
b)One of the angles in this triangle measures 100*
What is the size of the other 2 sides?
a)isosceles
b)40*
Work out the size of angle x if:
One angle is a right angle and the other equals 35*
x=55*
Work out A if:
It is an isosceles triangle and one of the equal angles equals 65*
a=50*
Work out B if:
It is an isosceles triangle and the unequal angle is 40*
B=70*
