Maths PPE 2 Revision- Paper 1

PPE 2- Paper 1 Non- Calculator

Time:

60 Second- 1 Minute

60 Minutes- 1 Hour

24 Hours- 1 Day

7 Days- 1 Week

365 Weeks- 1 Year (366 in a Leap Year)

How many Minutes in 6 Hours?

60 Minutes- 1 Hour

60 x 6 Hours= 360 Minutes

= 360 Minutes

How many Hours in a Week?

24 Hours- 1 Day

7 Days- 1 Week

24 x 7= 168 Hours

How many Weeks in 63 Days?

7 Days- 1 Week

63/7= 9 Weeks

How Many Minutes in 3 1/2 Hours

60 Minutes- 1 Hour

3 x 60= 180 Minutes in 3 Hours

1/2 Hour= 30 Minutes/ 0.5

Add both 180+ 30= 210 Minutes

Timetables

Dividing Decimals:

Convert Decimals into Whole Numbers by x10, x100, x1000

Do Normal Division

Subtracting Decimals:

Line Up Decimals

Do Normal Subtraction

Multiplying Decimals:

Convert Decimals into Whole Numbers by x10, x100, x1000

Do Normal Multiplication

Look at Total Digits After d.p. in Q) then do Same with Answer.

0.3 x 0.5= 0.15

Adding Decimals

Line Up Decimal Point

Add Zeros 

Add as Normal

1/4+0.5= 0.75

1/4= 0.25 + 0.5= 0/75

Ordering Decimals:

See Total Number of Digits After d.p. and sww which is Common then Add Zeros to those which DON'T have it to make ALL the Same.

Smallest= Smallest Number After d.p.

Largest= Largest Number After d.p.

Adding Fractions:

MUST have Same Denominator!!!!

1)Multiply them Both Denominators= New Denominators

2) Cross Multiply= New Numerators

3) Then Add BUT Denominator stays Same

Subtracting Fractions:

Must have Same Denominator!!!

1) Multiply Both Denominators= New Denominators

2) Cross Multiply= New Numerators

3) Subtract BUT Denominators stay Same

Multiply Fractions:

1) Numerator x Numerator= New Numerator

2) Denominator x Denominator= New Denominator

* If Whole Number in question- Itself Over 1 E.g. 5= 5/1

3) If Top Heavy- See how many Times Numerator Goes into Denominator= Mixed Number- If remainder= Whole number with Remainder as Numerator…