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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

23 questions answered
Under 5 hours taught
Under 3 resources

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Hi, I'm Samantha

I have completed my degree in mathematics and education and have been teaching maths and English for a couple of years. I am an aspiring Secondary school maths teacher and am just about to undergo my training in the educational field. I am very eager to make learning an enjoyable experience with good results. Please feel free to get in touch if you feel your child could do with some extra help to keep on top of their school work over the summer period and during the term time. I have been teaching students between the ages of 5-18 years for the past 3-4 years as a tutor. I have mentored in a couple of secondary schools in south London and in Hastings for 2 years whilst studying at university. This has enabled me to understand how different students approach mathematics and English and adapt my teaching methods to suit each individual. I understand that often students are not keen to en...Learn more

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My answers

Asked by Hailie

Maths πŸ’―
How do you find a circumumference of a circle?? I’m confused 😭😭😭?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

don’t worry you’ll get the hang of it eventually! there are 3 key elements of a circle you have to remember: circumference=the perimeter diameter...Learn more

Asked by Courtney

Maths πŸ’―
What's an isosceles triangle?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

an isosceles triangle has always got two equal sides and two equal angles. there will always be one side that is shorter/longer than the others and ...Learn more

Asked by Jessica

Geography πŸ—Ί
What is capital of america?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

the capital is Washington D. C.

Asked by Mia

Maths πŸ’―
Solve 5(x^2+2x)=73?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

the first step is to expand the bracket and then make the new quadratic equation =0 by minusing 73 from both sides. 5(x^2 + 2x) =73 ...Learn more

Asked by Mia

Maths πŸ’―
What is 300 as a product of prime factors using index notation?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

it may be easier to visualise 300 as a product of prime factors using a prime factor tree. 300 / \ 2 ...Learn more

Asked by Horia

Maths πŸ’―
ABC is a triangle. Angle ABC= angle BCA. The length of side AB is (3x-5) cm. The length of side AC is (19-x) cm. The length of side BC is 2x cm. Work out the perimeter of the triangle. Give your answer as a number of centimetres?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

if angle abc=angle bca then we can assume the triangle is an isosceles. this means that side ab = side ac so 3x - 5 = 19 - x 3x + x = 19 + 5 ...Learn more

Asked by Shadae

Maths πŸ’―
Find the first three terms of the sequence with nah term 3n-2?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

replace n with the numbers 1,2&3 3(1)-2=1 3(2)-2=4 3(3)-2=7 1,4,7 are the first 3 terms

Asked by Shadae

Maths πŸ’―
Find abc when a=2, b=3 and c=5?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

abc=a x b x c = 2 x 3 x 5 = 30

Asked by Shadae

Maths πŸ’―
6f + 5g - 3f + 3g?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

6f + 5g - 3f + 3g 6f -3f +5g +3g 3f + 8g

Asked by Shadae

Maths πŸ’―
What is K/4 = 7?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

k/4=7 k=4x7 k=28

Asked by Shadae

Maths πŸ’―
What is 5d = 70?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

5d=70 d=70/5 d=14

Asked by Liam

Maths πŸ’―
What is a tetrahedron?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

it is a triangular based pyramid

Asked by Honey

Maths πŸ’―
What’s the square root of 144 x 56?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

if your question is sqrt(144x56) then the answer is 24root14 if the question is sqrt(144)x56 then the answer is 12x56=672

Asked by Ali

Maths πŸ’―
How do I get better at differentiation?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

either do lots of practice questions or you can message any of the tutors on here to help you out :)

Asked by Madelyn

Maths πŸ’―
Can someone help me through this?: A cube with edges 6 inches long fits snugly inside a sphere. The diagonal of the cube is the diameter of the sphere. What is the volume, to the nearest whole number, of the space between the sphere and the cube?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

to find the diameter of the sphere you have to find the diagonal of the cube by using the Pythagoras theorem twice. the first time is to find out ...Learn more

Asked by Lwendo

Maths πŸ’―
How do you simplify the algebraic expression : 2x/3 + xy + x - xy/3?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

the easiest way to simplify an algebraic term like this is to take out the common fractions and common terms. in this case it is 1/3 and x. 2x/3 +...Learn more

Asked by Miklas

Maths πŸ’―
Solve 5-x/2 - x-1/3 =1?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

group all the similar terms together and keep the x on one side of the equal sign and the numbers on the other side. 5 - x/2 - x - 1/3 = 1 (5-1/3)...Learn more

Asked by Miklas

Maths πŸ’―
Expand 4(3-7c)?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

12 - 28c you have to multiply 4 by each golf the terms inside the brackets

Asked by Emily

Maths πŸ’―
A multiple of 7?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

any number in the 7 times tables are a multiple of 7. Or any number that can be easily divided by 7 is a multiple of 7.

Asked by Ellouise

Maths πŸ’―
What are interior and exterior angles?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

interior angles are the angles found within a shape. For a regular polygon this can be worked out with a simple equation of: (no. of sides - 2) x ...Learn more

Asked by Aleena

Maths πŸ’―
What are irrational and rational surds?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

a rational surd is one that can be simplified into a rational number such as sqrt(4)=2 sqrt(16)=4 an irrational surd is one that can not be simpli...Learn more

Asked by Olivia

Maths πŸ’―
A group used 53.75m2 of groundsheet to cover 12.5m long campsite how wide was the campsite?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

generally, to find the area you have to do length x width. but in this case you’ve been given the area and the length so you have to inverse the equ...Learn more

Asked by Harry

Maths πŸ’―
3 to the power of 8 x 3 to the power of 4 divided by 3 to the power of 2 and 3 to the power of 8 simplified?
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Samantha Rajaratnam

Bsc Maths and Education | 4 years experience | willing to help anyone :)

(3^8 x 3^4)/(3^2 x 3^8) = 3^(8+4)/3^(2+8) = 3^12 / 3^10 = 3^2 = 9 when multiplying numbers with the same base number, you should add the powers. w...Learn more