Level 5 Facts to memorise

Level 5 facts to memorise - flashcards

Level 5 Facts to memorise

What do the letters BODMAS stand for?

Brackets

Off

Divide

Multiply

Add

Subtract

What do you do with the decimal point when you multiply a decimal number by 10?

Move the decimal point one place to the right to make the number larger.

 

eg: 2.34 x 10 = 23.4

What are triangular numbers?

1, 3, 6, 10, 15, 21 ....

 

0 + 1 = 1

1 + 2 = 3

3 + 3 = 6

6 + 4 = 10

10 + 5 = 15 etc

 

Which is the 'x axis'?

The horizontal axis

Which axis is the y axis?

The vertical axis

What is the name of a triangle with all sides different?

Scalene

What is the name of a triangle that has all angles different?

Scalene

What is the name of a triangle with 2 sides the same?

Isosceles

What is the name of a triangle with 2 angles the same?

Isosceles

What is the name of a triangle that has all sides the same?

Equilateral

What is the name of a triangle that has all angles the same?

Equilateral

What is the name of a triangle that has 3 angles each 60 degrees?

Equilateral

What is the name of a triangle with one angle 90 degrees?

Right angled

What do the interior angles of a triangle add up to?

180 degrees

What are 'vertically opposite angles'?

Equal

What is the formula for the area of a rectangle?

Area = base x height

What is rotational symmetry?

Shapes that fit on their outlines when rotated have rotational symmetry

What is 'order of rotational symmetry'?

The number of times a shape will fit on its outline before coming back to its starting position

 

 

How many miligrams in gram?

1000

How many grams in a kilogram?

1000

How many mililitres in a litre?

1000

How many lines of symmetry does an isosceles triangle have?

1

How many lines of symmetry does am equilateral triangle have?

3

How many lines of symmetry does a square have?

4

How many lines of symmetry does a rectangle have?

2

If a shape is described as 'regular', what does this mean?

All sides are the same

All interior angles are the same

It has the same number of lines of symmetry as it has sides or corners

How many lines of symmetry does a regular pentagon have?

5

How many lines of symmetry does a regular hexagon have?

6

Roughly how many pints is 1 litre?

2.2

Roughly how many pounds in weight is one kilogram?

2.2

Roughly how many centimetres is 1 inch?

2.45

What is the formula for the area of a triangle?

(base x height)/2

 

or

 

half base x height

If two shapes are 'congruent', what does this mean?

They are identical in shape, proportion and size.

How many cm2 is 1 m2 ?

100x100 = 10,000

How many m2 is 1 km2 ?

1,000x1,000 = 1,000,000

How many cm3 is 1 litre?

1000

How many cm3 is 1 mililitre?

1

What is a 'stem and leaf diagram'?

eg:

12, 13, 25, 37 is

 

1 | 2 3

2 | 5

3 | 7