JotCast | Home Learning - LbQ Support

Home Learning - LbQ Support

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Mr Warbrick

10:12

One side of the shape is 15cm

10:13

So the area is 30 = 15 x ? with the question mark being the missing length.

What do I times 15 by to get 30?

Lewis S😎🥳

10:13

Mr Warbrick

10:13

Good!

Amelia ❤

10:13

Thank you Mr Warbrick.

Mr Warbrick

10:13

You're welcome!

Amelia ❤

10:13

good thanks Kacie

Kacie🦄

10:15

I’m good thanks can I have help with question 11?

Mr Warbrick

10:15

Area is length times width so what calculation do you need to do?

Mr Warbrick

10:16

length x width that should say*

Amelia ❤

10:16

I'm confused with question 30

Mr Warbrick

10:17

You need to work out the area of the whole shape. But then the flower bed doesn't need grass putting down so take the area of that away from it.

Amelia ❤

10:17

I think the area is 840

Mr Warbrick

10:17

Not quite, 6 x 140 = 840. So 60 x 140 = ?

Amelia ❤

10:18

8400?

Mr Warbrick

10:18

Good. Then take away the area of the flower bed.

Amelia ❤

10:19

The area of the flower bed is 60 so 8400 - 60 = 8360

Mr Warbrick

10:19

It is 60, check your subtraction again though.

Amelia ❤

10:19

*8340

Mr Warbrick

10:20

Good!

Mr Warbrick

10:21

Well done Amelia :)

Chelsea😊

10:21

I need help with 30

Mr Warbrick

10:22

So start by working out the area of the whole shape.

Mr Warbrick

10:22

60 x 140 =

Chelsea😊

10:22

340

Mr Warbrick

10:23

Try again, do 6 x 140 then multiply this by 10 to get 60 x 140

Chelsea😊

10:23

840?

Mr Warbrick

10:23

Then 10 times bigger...

Lewis S😎🥳

10:23

is it 8400

Mr Warbrick

10:24

It is, good!

Mr Warbrick

10:24

Now, you need to work out the area of the flower bed then take that away from the total to tell you the area of just the grass.

Lewis S😎🥳

10:24

8340 for the area of grass

Mr Warbrick

10:25

Good. So it's £2 per square meter and there's 8340 square meters so total cost is...

millie

10:25

hi sorry am i late

Mr Warbrick

10:25

Not a problem, good morning Millie!

millie

10:25

thanks

Chelsea🐢

10:25

16680?

Mr Warbrick

10:26

Good!

Lewis S😎🥳

10:26

done

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