1 Flashcards
40% of 40 Work out 1/2 × 5 times anything by 1/2 what do? 5 less than -2 use for - and pos number Simplify 3 × a × 3 × a similar shape 20% of 14 000 0.85 as a fraction in its simplest form. .85 as a fraction
16 2.5 half -7 Number line 9a2 Enlarged 2800 17/20 85/100
% of a number
find % hard number if sum too hard
/100 times amount
work out 1 10 etc
A car cost $5000 + Tax. Tax is 17.5%. What is the total price of the car?
4125
Site for drills Work out 10% 5% 1% 100% 25% Percent means Fraction of Is it a ratio symbol
Maths drills / 10 /10 /2 100 The number /4 Out of 100 100 yes %
7x8 7x17 7x16 7x4 7x6
56 119 112 28 42
Times 11
times 10
Times anything by .5 times by 5
double or split
add 0
half half
20% fraction
25% fraction
50% fraction
75%
1/5
1/4
1/2
3/4
6x4
6x8
24
48
squares1-10
1 4 9 16 25 36 49 64 81 100
2.8x 25
70
Rounding look at next digit where?
When round up?
on the right
5 or more
Prime number
True or false 1 is a prime number./ first prime
What are the first ten prime numbers?
factor
Multiple
Give two different prime numbers that add to 14.
Is 63 a prime number?
Give all the prime numbers between 70 and 80.
What is the probability of getting a ‘Head’
1 and itself no 2 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 divisible times 3 11 no 71, 73 and 79. .5
If a square has sides 3cm long, what is its area?
9cm2
How would you find the area of any triangle? rectangle rhombus trapezium circle semi parallelogram
BH/2 wl pq/2 a+b h/2 Pr2 circle /2 BH
Area rec 10 16
160
The amount of space inside a 2D shape
amount of space in 3d object
The total length of all of a 2D shapes sides
Area
Volume
Perimeter
What is the formula for finding the circumference of a circle?
Circumference = πD
Pythagoras theorem
a2 + b2 = c2
volume cuboid
cylinder
prism
pyramid
Volume = l x w x h
circle length
Volume = area of cross section x length
1/3x bh
Expand brackets
Times everything in
Simplify
. mean
Simplest form
times
axa
Letter times letter
a2
letter squared
power 0 =
Power 1
1
itself
numbers in algebra represent
indices also known
multiply expressions with the same base
divide expressions with the same base
symbols
powers exponents
copy the base and add the indices
copy the base and subtract the indices
What is the rule for angles on a straight line?
What is the rule for angle around a point?
What is the rule for vertically opposite angles?
What is the rule for angles on a triangle?
What is the rule for angles on a quadrilateral?
What’s the rule for quadrilaterals to do with triangles?
Alternative angles in relationship to each other?
Letter to find corresponding angles?
180 360 equal 180 360 All quadrilaterals can be split int two to make two Equal F
How many sides does a pentagon have? How many sides does a hexagon have? How many sides does a heptagon have? How many sides does a octagon have? How many sides does a nonagon have? How many sides does a decagon have?
5 6 7 8 9 10
90 Below 90 Over 90 under 180 Over 180 Measures an angle
Right angle acute obtuse reflex Protractor
Formula for prism
Cylinder a Prism?
Area time height
yes
Integer
mixed
improper
equivalent
Whole number
integer with fraction that’s proper
top heavy
look different but same
Times fraction
divide
add sub
top bottom
kcf
denominator
5/8 decimal 8x6 39/3 Mean means Median Range 16.4 – 3.92 + 7.8 2843.61 ÷ 7 1/3 as %
.625 48 13 average Middle when in order Smallest biggest difference 20.28 406.23 33.3%
A rectangular carpet measures 8 m by 6 m
Part of the carpet is covered by a square rug of length 2 m
Show that 1/12
of the carpet is covered by the rug
8x6=48
Sam, Carl and Erik share 40 sweets.
Erik gets the largest share.
What is the smallest possible number of sweets that Erik could get?
14
The time in Rio is three hours behind London.
The time in New York is five hours behind London.
What is the time in New York when it is 1.00 am in Rio?
11(.00)pm or 23.00
5 6 1 3 5 5 8 4 2 2 Mean? Median
4.1, 4.5
3a + b = 7 and 6x + 8y = 40
Show that 9a + 3b has a greater value than 3x + 4y
2 1 4 2
21 and 20
Adjacent means what? What does 'sin' stand for? What does 'cos' stand for? What does 'tan' stand for? Opposite Hypotenuse
next to sine cosine tangent work out longest
how many circle theorem Circumference radius diameter arc In a circle, what is origin? In a circle, what is tangent? In a circle, what is chord? In a circle, what is sector?
6 circle half way full arc centre Touches circumference at one point Line that goes across,not through the middle of circle Has to go from the centre
Pic these shapes
Triangle, circle, square, cube, cuboid, rectangle, rhombus,kite, trapezium, semi circle, equalateral tri, tri based pyramid, sphere, cone, square based pyramid.
Fully cancel down this ratio
6: 4
5: 10
12: 9
7: 28
.
3: 2
1. 2
4. 3
1. 4
What are the first five multiples of 6?
What are the multiples of 9 between 60 and 80?
What is the lowest common multiple of 6 and 8?
What is the lowest common multiple of 7 and 5?
What are the factors of 6?
What are the factors of 24?
Give a factor of 16 that is not a factor of 12.
6, 12, 18, 24, 30 63 and 72 24 35 1, 2, 3, 6 1,, 2, 3, 4, 6, 8, 12, 24 8/16
was £35 now £76 what percentage increase?
76-35 =41 /35x100
117%
What is the median of these 4 numbers?
2 10 6 2
4
