QTS Secondary school Head of Maths teacher with 5 years experience 💪💯

3681Students
helped

12Questions
answered

£40Per
hour

Maths

Asked by Lucas · 4 years ago

What is 2+2?

2 plus 2 is 4. However if you take away 1 it becomes 3.

Maths

Asked by Pro · 4 years ago

What is the area of a sphere?

The area of a sphere is actually a surface area as a sphere is a 3 dimensional object. The area of a sphere is equal to 4 x pi x the radius squared. It's derivation is very interesting and is done by using multi sided polygons inside the sphere, further individual research is recommended.

Maths

Asked by Lola · 4 years ago

What is 867 -146?

I would recommend the coloumn method of subtraction in this scenario. 867 - 146 --------- 721 Always line up your numbers with the correct place values underneath each other and begin your subtraction from the left.

Maths

Asked by Ianis · 4 years ago

How do I calculate simple algebraic equations?

This depends on each equation individually. The most general answer for this would be to perform inverse operations in the opposite of BIDMAS to the variable who's value you want to find.

Maths

Asked by Meera · 4 years ago

How do you work out square roots?

To find an approximate value for the square root of a number N, you can find the closest square number smaller than N and the closest square number larger than N. The square roots of the square numbers will be easy to calculate and should be 1 apart. The square root of N will be some number between the square roots of each square. To find N by trial and error you could then just try different numb... more

Maths

Asked by Jora · 4 years ago

What is the balance method?

The balance method is used to solve equations. If follows the principle of balancing both sides of an equation. To perform this method, whatever operation is done to one side of the equation needs to also be done to the other. This is continued until you have found a numerical value for the variable in question

Maths

Asked by Selina · 4 years ago

What are the angles in a right angled triangle?

Angles in any type of triangle always have a sum of 180 degrees. The proof of this includes a straight line and knowing how angles interact with parallel and perpendicular lines. I would recommend further investigation on youtube as it is much easier to understand it visually.

Maths

Asked by Charlie · 3 years ago

What is the square root of 144?

The square root is the inverse of the square function. It asks what number was multipled by itself to achieve in this case 144. By using our knowledge of the basic times table we can identify that it is 12.

Maths

Asked by Gaby · 3 years ago

I went to a store and bought an item worth $30. I had to pay 9% tax as well. How much did I pay JUST for the tax?

Simply multiply 0.09 by $30 and it gives you $2.7 Which is your tax !

Maths

Asked by Merryn · 4 years ago

How do you work out percentages?

To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Increase = New Number - Original Number Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number then this is a percentage decrease. To calculate percentage decrea... more

QTS Secondary school Head of Maths teacher with 5 years experience 💪💯

3681Students
helped

12Questions
answered

£40Per
hour