Moms Maths Manual PPT Grd 5 - sample

+ + +

30004006043464

3464 = 3000 + 400 + 60 + 4You must have plus (+) signs between the numbers, they act as invisible elastic bands trying to pull the number together again.

3000400604


4 5× 3 7 3 1 5

+ 1 3 5 0 1 6 6 5

0

× 3 0


30 + 7

Long Multiplication Revision

12 hours in the morning

12 hours in the afternoon

123456789

101112131415161718192021222324

24 hours in a day


Reading timeAnalogue Digital Time International Time

11:30am 11:30



12:00pm 12:00



12:30pm 12:30


Duration:Show the time that has passed between these departure and arrival times.

Flight time (How long was the flight?)

Depart 1:30 pm Arrive 3:00 pm

Q

LeaveTake off

ArriveLand

How long was the flight?Duration of flight:

1½ hours or 1 hour 30 minutes

3 of 4


1 10 = 0,_1

Using the pattern:

If a number is over the denominator 10, you must ONLY use one place after the comma.

5 10 = 0,_5

17 10 = 0 ,_17


10

Using the pattern in reverse:

Look at the digits behind the comma and count them!Is there one --- two --- or three?Using that information, change from a decimal number to a decimal fraction.

_1

0 ,1 =__

2 ,3 = =__

_2310 2

310__


Decimal fractions and decimal numbers in words:


Changing Common Fractions to Decimal Numbers:


Step 1 – Look at the denominator of the common fraction given to you.

You have to change it to a denominator of 10 or 100 or 1 000

Common fractions decimal fraction decimal number.

__

__10

25__×4

×4__40100

0,40= =

__4

×25×25

75100

0,75= =

__4

×25

×2525

1000,25= =__

____3

1

25

×4

×4 1000,48= =____12__ 48


Working out the missing side and calculating the perimeter of the shape.

200

100

?

?

150

50

200m+100m

300m

300m

150m+ 50m

200m

200m

P = 200m + 150m + 100m + 50m + 300m + 200m

P = 1000m

Working out area

200150100

50300

+ 2001000m

1 of 8© www.momsmathsmanual.co.za

A

Terminology

Two dimension (2D)

Three dimension (3D)


Terminology Vertex

Vertices (more than one)


Terminology Vertex


Face is the flat surface or

side of the shape


Terminology Vertex


Face is the flat surface or

side of the shape

Edges – where two faces meet


(c)

369

1215

6121824

LCD = 6

1 × 31 × 62 × 3

Change the mixed number fractions to an improper fraction before you start!

Denominators are NOT the same, need to change them.

Remove improper fraction and simplify if possible.

Simplify.


trapezium

rectangle

square

kite

Shapes form part of our daily lives.


Example of an obtuse angle.

Example of an acute angle.

A few more just to make sure:

120°

50°

Read the outside line.Always start at 0°


What is a factor pair?

24 (1; 24) (2; 12) (3; 8) (4; 6)

24 (1; 24) (2; 12) (3; 8) (4; 6)

Factor pairs

Factors


What are factors?

Factor Trees

Factor tree of 36

36 36

36 = 2 × 2 × 3 × 3 36 = 2 × 2 × 3 × 3

36 = 2² × 3² 36 = 2² × 3²

4 9

2 2 3 3

2 18

36

2 3



This is what you have done. g/m/ml kg/km/ ℓ

Write as a fraction before you make your conversation (Always over a 1000)

631 m 0,631 kmThe line between the numerator and the denominator is a (÷) sign.

0 0 631, <÷ 1000 =

= ÷ =

3 4 3 2

2 6 8 3 9 6

- 6 - 9

0 8 0 6

- 8 - 6

0 0

Long Division

2468

1012141618

369

121518212427


2013/11/04

Moms Maths Manual PPT Grd 5 - sample

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Transcript of Moms Maths Manual PPT Grd 5 - sample