Voon Jasmine
Asked 9 years ago

SG chevron_right Primary 6 chevron_right Number and Algebra

P6, please help and thanks in advance.

Replies 2

Xavier Sng

6 years ago
Raymond Ng

a) no. of cubes = 84 + 9 × 9 = 165 no. of faces = 5 × 5 = 25 b) no. of unpainted cubes = (n-1) × n × (4n+1) ÷ 3 (10-1) × 10 × (4×10+1) ÷3 = 1230

6 years ago

Foong Jia Heng
Asked 9 years ago

SG chevron_right Primary 6 chevron_right Geometry

How to do this queestion

Replies 3

Travis Neo

Angle bdc is 90. Take 180 - 90 - 41 u will get ans for (a) (B) is also 90.

6 years ago
Travis Neo

Wat level is this?

6 years ago
Foong Jia Heng

P6

6 years ago

Voon Jasmine
Asked 9 years ago

SG chevron_right Primary 6 chevron_right Measurement

P6 Math, kindly please help. Thank you very much.

Replies 3

Lee AG

6 years ago
Raymond Ng

6 years ago
Voon Jasmine

Thank you Lee AG n Raymond Ng for your help.

6 years ago

Voon Jasmine
Asked 9 years ago

SG chevron_right Primary 6 chevron_right Measurement

Replies 12

Xavier Sng

The difference in area between Y and X = (1/4 × pi × 40 × 40) - (40 × 20) - (1/2 × 20 × 20) = 256 square cm

6 years ago
Wahidah Khan

not getting it. wht is 40×20

6 years ago
Voon Jasmine

Hi Xavier Sng , may I know why need to use 1/2 x 20 x 20 ?

6 years ago
Wahidah Khan

yes why

6 years ago
Xavier Sng

I will draw a diagram to explain.

6 years ago
Wahidah Khan

thk u

6 years ago
Xavier Sng

6 years ago
Lee AG

6 years ago
Lee AG

Hope this help.

6 years ago
Voon Jasmine

Thank you Lee AG n Xavier Sng for your clear explanation n help. I understand now. Have a great weekend.

6 years ago
Xavier Sng

It is my pleasure. You have a brilliant rest day too. Regards

6 years ago
Lee AG

No problem. Enjoy your weekend.

6 years ago

Adrian Ng
Asked 9 years ago

SG chevron_right Primary 5 chevron_right Number and Algebra

Making it visual...

Replies 1

Jenny Na

Thank you for your generous sharing of worked examples...v helpful indeed!

6 years ago