JotCast | Maths help

Maths help

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Oliver C

5:55

Ok!

Evie

5:56

Im stuck on question 7

Maria Dawber

5:57

What’s a whole in percentages Evie?

5:58

25% is the same as 1/4 so what would a whole be?

Evie

5:59

100

Maria Dawber

5:59

Excellent!

So if they have shaded 25% then how much is left?

Sam

6:06

now I'm stuck on 29

Maria Dawber

6:06

I’ll just have a look :)

6:07

If the ones digit is less than 1 then what must it be?

Sam

6:07

Maria Dawber

6:07

Now the tenths digit - an even number between 0 and 5. What are the options?

Sam

6:08

I got 0.249 but I don't no how to convert it to a fraction

Maria Dawber

6:09

That’s the wrong decimal sam

The tenth digit can’t be a prime number

What’s the other option?

Sam

6:09

4 but that's a prime number

Maria Dawber

6:10

4 isn’t a prime number because it’s divisible by 2

So if the tenth digit is 4 then the hundredth has to be double

What’s your new decimal?

Sam

6:12

got it it was 0.489

Maria Dawber

6:12

Your fraction would e been right first time if the decimal was correct

Well done, Sam

Evie

6:15

Im stuck on 14

Maria Dawber

6:15

I’ll have a quick look

6:16

Look at the place value of the 1, Evie. This is how much you still have left to add

Olivia K

6:16

Im stuck on number 29

Maria Dawber

6:16

take each digit one at a time. What does the ones have to be if it’s less than 1?

Olivia K

6:17

Maria Dawber

6:17

Now what can the tenths be? Even number between 0 and 5

Olivia K

6:18

Maria Dawber

6:18

Hundredths has to be double that

Olivia K

6:19

ok got it

Maria Dawber

6:19

Well done

Olivia

6:20

Hi Miss Dawber Mr Warbrick has ended the chat so he said ask you for help I’m stuck on Question 29

Maria Dawber

6:20

Of course! I’ve been talking about that question a lot this morning so don’t worry

Take each digit one at a time to make your decimal first

Olivia R

6:20

:) Ok

Evie

6:20

I did it

Maria Dawber

6:21

Well done!!

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