KATA KUNCI

AYAT MATEMATIK (Number Sentence)

KATA KUNCI

jumlah, lebih daripada, meningkat,

untung, komisyen, dividen, hasil

tambah , jumlah semua

+

beza, kurang daripada, baki , diskaun,

hilang, yang tinggal, menurun/merosot,

ambil , beri

- jumlah, hasil darab, kali , semua sekali,

nilai yang sama , darab x Bahagi sama rata/adil, bahagi,

diagihkan sama rata,

UPSR TOPICS : ************************

2. Mixed Operations/Operasi Bergabung

~ * BODMAS: Bracket ( ) Of Divide Multiply Add Substract

~ Solve Problems ( more than 1 operations )

x

+ -

11 CLUE WORDS.doc

RUMUS

PURATA

Purata = Jumlah

Bilangan

Jumlah = Purata X Kuantiti

Perimeter : Pagar + sisi luar = __cm

Luas = p x l = ___cm

Luas = t x t = ___cm

2

Isipadu = p x l x t = __cm

LENGTH / UKURAN PANJANG

1000 100 10

x

km m cm mm

1000 100 10

MASS / TIMBANGAN BERAT

x 1 000

kg g

1 000

VOLUME OF LIQUID / ISI PADU CECAIR

x 1 000

1 000

m

km kg

m g m

m RM cent

cm sen year

cm cent dec

mm decade years

123 BOX

123 BOX Question : Calculate 0.7 l + 250 ml.

Give your answer, in ml. (UPSR 2003)

m

g

m

Km

Kg

0 7 0 0 0 2 5 0

0 9 5 0 9 5 0 m

Percentage/Peratus = x 100%

Remember: Pair of 100

2 x 50

4 x 25

5 x 20

10 x10

PROPER

FRACTIONS

DECIMAL

FRACTIONS PERCENTAGE Kilometre

- metre

0.25 25% 0.25 km

250 m

0.75 75% 0.75 km 750 m

0.5 50% 0.5 km 500 m

0.2 20% 0.2 km 200 m

0.4 40% 0.4 km 400 m

0.6 60% 0.6 km 600 m

0.125 12.5% 0.125 km 125 m

1

4

3

4

1

2

1

5

2

5

3

5

1

8

7

TIME / MASA

year sec week day hour month min

12 4 7 24 60 60

12 4 7 24 60 60

x

TIME /MASA

year century millenium decade

10 100 1000

10 100 1000

x

Months Days

January (1st month) 31

February (2nd month) 28 / 29

March (3rd month) 31

April (4th month) 30

May (5th month) 31

June (6th month) 30

July (7th month 31

August (8th month) 31

September (9th month) 30

October (10th month) 31

November (11th month) 30

December (12th month) 31

ET

ST D +

ET = End Time

ST = Start Time

D = Duration

D = ET ST

ET = ST + D

ST = ET D

TIME

hour minute

60

T-METHOD

minute second

60

day hour

24

year month

12

T-METHOD

week day

7

month day

30

0 55

7

0 385

x

= 6 hours 25 minutes

T-METHOD

Example :

55 minutes x 7 = ___ hours ___ minutes

-360 + 6

hour minute

60

25 6

Shape And

Space

A

L B x

A = Area

L = Length

B = Breadth

SHAPE AND SPACE

Characteristics of 2D-Shape

Square

-4 straight sides with

the same length

-4 corners

-4 angles

-4 symmetries

-1 flat face

Rectangle

-4 straight sides (the

opposites sides have

the same length)

-4 corners

-4 angles

-2 symmetries

-1 flat face

Equilateral

Triangle

-3 corners

-3 angles

-3 straight sides with the same length

-3 symmetries

-1 flat face

Isosceles Triangle

-3 straight sides (2 sides have the same length)

-3 corners

-3 angles

-1 symmetries

-1 flat face

Circle

-1 flat face

-1 curved sides

-Every diameter is the symmetries of the circle

Oval

-1 flat face

-1 curved sides

Pentagon

-1 flat face -5 straight sides -5 corners -5 angles

Hexagon -1 flat face -6 straight sides -6 corners -6 angles

Heptagon

-1 flat side -7 straight sides -7 corners -7 angles

Octagon

-1 flat side -8 straight sides -8 corners -8 angles

Characteristics of 3D-shape

Cube

-6 flat faces

-12 edges

-8 vertices

-All the surfaces are square in shape

Cube Net of a cube

Cuboid Net of a cuboid

Pyramid Net of a pyramid

Cylinder Net of a cylinder

Cuboid

-6 flat faces

-12 edges

-8 vertices

Pyramid

-5 flat faces

-8 edges

-5 vertices

Cylinder

-2 flat faces

-2 edges

-1 curved face

Cone

-1 flat face

-1 edges

-1 vertex

-1 curved face

Sphere

-1 curved

surface

IT IS NOT EASY TO SCORE

A

BUT IT IS NOT IMPOSSIBLE