Algebraic Phrases
Half of a number decreased by seven
What is n/2 - 7
This number stands all by itself in an algebraic phrase.
What is the constant.
x+2 When x=4
What is 6
A number plus 7
What is x + 7
Input Output
1 3
2 6
3 9
4 12
What is 3x
Three times a number decreased from nine.
What is 9-3n
This number is always next to a letter.
What is the numerical coefficient.
2x-4 When x=9
What is 14
2x - 1
What is two times a number minus one.
Input Output
1 6
2 7
3 8
4 9
What is x + 1
A letter represents this part of the expression.
What is the variable.
x/2 + 5 Where x=10
What is 10
x/2
What is one half of a number.
Input Output
1 1
2 3
3 5
4 7
What is 2x - 1
This has an equals sign
What is an equation.
2x + 3 When x is 6
What is 15
4x - 8
What is eight less than 4 times a number.
Input Output
1 5
2 8
3 11
4 14
What is 3x + 2
I can be represented by x, n, p, m, or any letter of the alphabet!
What is a variable.
3x + 7 when n = 7
What is 28
3x + 5)
What is three times number plus five.
Input Output
1 3
2 11
3 19
4 27
What is 8x - 5