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# Ks3 topics help watch

1. You're going to have to write quite a bit so if you're not up for that leave now.

Right, so i was doing some basic ks3 topic questions and got 38/57 I need to know everything from ks3 so im going to write the questions that i got wrong and i want you to answer them and tell me how you did it, it will really help me out so that i can start learning some more advanced things, the questions might seem quite easy to you, but please try to have an open mind to my terrible maths skills,Thank you! And here are the questions that i got wrong:

1) Find a) the HCF and b) the LCM of 36 and 90

2) A regular polygon has an interior angle of 140 degrees. How many sides does the polygon have?

3) Work out 4.152/1.2

4) Lorna left her home at 11.00am and went for a 20km run. She arrived back home at 1.00pm
Work out lorna's average running speed
(Ok for this one i am really confused because i thought that speed=distance * time so i got 40, please address this in your answer thank you.)

5) Share £56 in the ratio of 3:5

6) a circle has a radius of 10cm. Taking pi as 3.14, work out the area of the circle

7) How many cubes of side length 2cm will fit inside a hollow cube of side length 4cm

8) 3/4 of a number is 63. Write down the number

And that is it. Thank you so much!
2. (Original post by Atrazine)
You're going to have to write quite a bit so if you're not up for that leave now.

Right, so i was doing some basic ks3 topic questions and got 38/57 I need to know everything from ks3 so im going to write the questions that i got wrong and i want you to answer them and tell me how you did it, it will really help me out so that i can start learning some more advanced things, the questions might seem quite easy to you, but please try to have an open mind to my terrible maths skills,Thank you! And here are the questions that i got wrong:

1) Find a) the HCF and b) the LCM of 36 and 90

2) A regular polygon has an interior angle of 140 degrees. How many sides does the polygon have?

3) Work out 4.152/1.2

4) Lorna left her home at 11.00am and went for a 20km run. She arrived back home at 1.00pm
Work out lorna's average running speed
(Ok for this one i am really confused because i thought that speed=distance * time so i got 40, please address this in your answer thank you.)

5) Share £56 in the ratio of 3:5

6) a circle has a radius of 10cm. Taking pi as 3.14, work out the area of the circle

7) How many cubes of side length 2cm will fit inside a hollow cube of side length 4cm

8) 3/4 of a number is 63. Write down the number

And that is it. Thank you so much!
you may don't understand when people are writing loads...
so why don't you just watch a youtube on each of the topic
that may help
HCF and LCM
https://www.youtube.com/watch?v=3i_J_f8ZXdY

Polygon question
https://www.youtube.com/watch?v=m-ORunWK1MU

dividing decimals
https://www.youtube.com/watch?v=HlEx1TN-dqY

Average running speed (let me know if that video helped you or not)
https://www.youtube.com/watch?v=Eo4bDkELAQ4

sharing ratio
https://www.youtube.com/watch?v=EUSWAhvETwc

Area of the circle
https://www.youtube.com/watch?v=eBAsK9jB91I

Cubes of side length (let me know- if you still dunno)
https://www.youtube.com/watch?v=WeY3Gd99Bkk

fractions
https://www.youtube.com/watch?v=o4GO7w_1qBo

Let me know if you still need any help
3. (Original post by fatima1998)
you may don't understand when people are writing loads...
so why don't you just watch a youtube on each of the topic
that may help
HCF and LCM
https://www.youtube.com/watch?v=3i_J_f8ZXdY

Polygon question
https://www.youtube.com/watch?v=m-ORunWK1MU

dividing decimals
https://www.youtube.com/watch?v=HlEx1TN-dqY

Average running speed (let me know if that video helped you or not)
https://www.youtube.com/watch?v=Eo4bDkELAQ4

sharing ratio
https://www.youtube.com/watch?v=EUSWAhvETwc

Area of the circle
https://www.youtube.com/watch?v=eBAsK9jB91I

Cubes of side length (let me know- if you still dunno)
https://www.youtube.com/watch?v=WeY3Gd99Bkk

fractions
https://www.youtube.com/watch?v=o4GO7w_1qBo

Let me know if you still need any help
This will do perfectly thank you!
4. (Original post by Atrazine)
This will do perfectly thank you!
it's okay
make sure that you understand whatever is going on in the video
some of them maynot help you directly (because it was hard to find the topic related video) but if you really think about it then it may help you if not LET ME KNOW
5. (Original post by Atrazine)
This will do perfectly thank you!
Come back and ask if you still don't understand anything.
6. (Original post by Zacken)
Come back and ask if you still don't understand anything.
that what i told her/him too
7. (Original post by fatima1998)
you may don't understand when people are writing loads...
so why don't you just watch a youtube on each of the topic
that may help
HCF and LCM
https://www.youtube.com/watch?v=3i_J_f8ZXdY

Polygon question
https://www.youtube.com/watch?v=m-ORunWK1MU

dividing decimals
https://www.youtube.com/watch?v=HlEx1TN-dqY

Average running speed (let me know if that video helped you or not)
https://www.youtube.com/watch?v=Eo4bDkELAQ4

sharing ratio
https://www.youtube.com/watch?v=EUSWAhvETwc

Area of the circle
https://www.youtube.com/watch?v=eBAsK9jB91I

Cubes of side length (let me know- if you still dunno)
https://www.youtube.com/watch?v=WeY3Gd99Bkk

fractions
https://www.youtube.com/watch?v=o4GO7w_1qBo

Let me know if you still need any help
you will be a teacher one day .... !!!
8. (Original post by TeeEm)
you will be a teacher one day .... !!!
OMGGGGGG!!! That's what I want to be and also people say that i am good at teaching maths
Spoiler:
Show
made my eveining
9. (Original post by fatima1998)
OMGGGGGG!!! That's what I want to be and also people say that i am good at teaching maths
Spoiler:
Show
made my eveining
Coming from TeeEm, that's high praise indeed.
10. (Original post by Zacken)
Coming from TeeEm, that's high praise indeed.
Really!!! :^_^:
why is that?
11. (Original post by fatima1998)
Really!!! :^_^:
why is that?
Because he's a very good teacher himself. :-)
12. (Original post by Zacken)
Because he's a very good teacher himself. :-)
OMG!!!
That is something
i didn't know that he is a maths teacher but that compliment makes me feel junior mathematician
13. (Original post by fatima1998)
you may don't understand when people are writing loads...
so why don't you just watch a youtube on each of the topic
that may help
HCF and LCM
https://www.youtube.com/watch?v=3i_J_f8ZXdY

Polygon question
https://www.youtube.com/watch?v=m-ORunWK1MU

dividing decimals
https://www.youtube.com/watch?v=HlEx1TN-dqY

Average running speed (let me know if that video helped you or not)
https://www.youtube.com/watch?v=Eo4bDkELAQ4

sharing ratio
https://www.youtube.com/watch?v=EUSWAhvETwc

Area of the circle
https://www.youtube.com/watch?v=eBAsK9jB91I

Cubes of side length (let me know- if you still dunno)
https://www.youtube.com/watch?v=WeY3Gd99Bkk

fractions
https://www.youtube.com/watch?v=o4GO7w_1qBo

Let me know if you still need any help
The videos helped me with the majority of the problems however there are still a few gaps, and questions that i got wrong that didnt tell you about before haha.

1) Give the co ordinates of the point where the graph of x+y=5 crosses the x axis

2) Pat threw three darts the lowest score was 10 the range was 10 and mean was 15, work out the score of each dart ( got 2/3 here )

3) 3/4 of a number is 63. Write down the number

4) A circle has a radius of 10c, taking pi as 3.14 work out the area of the circle
14. (Original post by Atrazine)
The videos helped me with the majority of the problems however there are still a few gaps, and questions that i got wrong that didnt tell you about before haha.

1) Give the co ordinates of the point where the graph of x+y=5 crosses the x axis
A 'graph' will cross the x-axis when y=0. Because the equation of the x-axis is y=0. So if you plug in y=0, into your equaton you should get x= something, so your co-ordinates will be (something, 0).

3) 3/4 of a number is 63. Write down the number
Let's call the number , then we know that . Now Isolate by multiplying both sides by and dividing both sides by .

4) A circle has a radius of 10c, taking pi as 3.14 work out the area of the circle
Use the formula:
15. (Original post by Atrazine)
The videos helped me with the majority of the problems however there are still a few gaps, and questions that i got wrong that didnt tell you about before haha.

1) Give the co ordinates of the point where the graph of x+y=5 crosses the x axis

2) Pat threw three darts the lowest score was 10 the range was 10 and mean was 15, work out the score of each dart ( got 2/3 here )

3) 3/4 of a number is 63. Write down the number

4) A circle has a radius of 10c, taking pi as 3.14 work out the area of the circle
For the first one: watch this- if you are still stuck let me know
https://www.youtube.com/watch?v=Qe6Bl5IiGgg
Also have a look at this website too: http://www.bbc.co.uk/bitesize/ks3/ma...es/revision/1/

The last 2 questions are still the same ones
Refer back to those videos i have given you before

for question 2; you achieved 2/3 so it would be good if i can see your workings and tell you where you lost marks

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