What is the value of in this equation?

Which expression is equivalent to  ?

What number makes this number sentence correct?

The expression    can also be written as 

Which value of    is closest to the missing number in this equation?

Harriet solved the following equation:

Which of the following could be two lines of her solution?

Find the value of that makes this number sentence correct.

What is the value of ?

Sharon made a number pattern using this rule:

next number = previous number   ×

+

and

are whole numbers.

 
Her number pattern is:

 
What is the next number in Sharon's pattern?

Which expression is equal to  ?

The equation    is rearranged so that    is the subject.

Which of these correctly gives as the subject?

Which of the following is always equal to   ?

What is the value of    given