maths Flashcards
What are the first the first 10 prime numbers
2,3,4,5,7,11,13,27,19,23,29
What does HCF stand for
Highest common factor
What does LCM stand for
Lowest common multiple
What does range mean?
The highest value ➖ the smallest value
What does mode mean?
The most common number
When you find the hypotenuse do you add or subtract
Add
A half marathon race is won in a time of 1hr 42minutes ,timed to the nearest minute. Find the longest and shortest possible times that the winner could have taken
Longest time 1hr 42 minutes 30 seconds. The shortest 1hr 41minutes and 30 seconds
Find maximum and minimum for weight of an egg 64g (nearest g)
Maximum➡️64.5g
Minimum ➡️63.5g
Minimum and maximum find them
Amount of liquid 280ml nearest 20ml
Maximum➡️290ml
Minimum ➡️270ml
How to find the square area?
A=L✖️L
How do you an area of a rectangle?
A= L✖️W
How do you find the area of a parallelogram
A=B✖️H
How do you find the area of a triangle
A=B✖️H
➗
2
A local football pitch has the measurement indicated below. Both of these are measured to the nearest meter. What is the maximum length that the football field pitch can be.
98m
◻️40m
98.5m
What is meant by the term equilateral
3 equal sides
What is meant by the term isosceles
2 equal sides
What is meant by the term conquent?
Exactly the same
In elevations
What is the view from the top is called?
The plan
What are the views from the front and sides are called
the elevations.
What is a net?
A net is a two-dimensional (2D) representation of a 3D shape.
What is a volume
A prism is a shape which has a uniform cross-section. The volume of a prism is the area of the cross-section x the length.
What is the formula for the volume
V=base ✖️height
➗
2
Then ✖️length
What is a surface area
The surface area is the area of both ends, plus the sum of the areas of the sides.
Basically the faces
What is the formula for surface area for a cube
6✖️a to the power of 2
What is the formula for surface area for a rectangular prism
2(L✖️W+W✖️H+H✖️L)
Write down an expression for the perimeter of the rectangle marble slab
3x+2
X. ◻️
8x+4
X-9=2 solve
11
What percentage is 1
-
5
20%
