PSToM - Parents, Students, Teachers of Mathematics ( Algebra-1 ) - Introduction to Algebra

Problem #	Problem Statement	Problems Similar To
1.	The sum of 'x' and 9 is	\begin{equation}x+9\end{equation}
2.	8 more than 'x' is	\begin{equation}x+8\end{equation}
3.	8 less than 'x' is	\begin{equation}x-8\end{equation}
4.	Twice of 'x' is	\begin{equation}2x\end{equation}
5.	Half of 'x' is	\begin{equation}\frac{1}{2} \times x\end{equation}
6.	Product of 'x' and 'y' is	\begin{equation}xy\end{equation}
7.	Let 'x' be the width of the table. The length is 5 times the width. Write an expression for the length.	\begin{equation}5x\end{equation}
8.	A computer printer can print 'x' pages per minute. Write an expression for the number of pages the printer can print in 9 minutes.	\begin{equation}x \times 9\end{equation}
9.	Sophie's math class has 9 fewer boys than girls, and there are 'x' girls. Write an expression for the number of boys.	\begin{equation}x-9\end{equation}