UK Secondary (7-11)
Build algebraic expressions III

## Interactive practice questions

The first of two consecutive numbers is $\frac{7+p}{2}$7+p2. Write an expression for the other number.

Easy
Less than a minute
The first of two consecutive even numbers is $\frac{x}{4}-9$x49. Write an expression for the next even number.
Write an algebraic expression for the following phrase. Let the variable $x$x represent the number.
"The sum of $9$9 divided by a number and that number divided by $9$9"
If a triangle has one side of length $4x$4x cm, another double this length, and the final side being $8$8 cm, write an expression for its perimeter.