Algebraic Sentences

Twice a number increased by 7 is 21.

Twice a number(n) decreased by 5 is 30.

Mathematical Equivalence

ON

16 fewer than one half of a number(n) is 2.

Mathematical Equivalence

ON

The quotient of 40 and triple a number(n) is 5.

Mathematical Equivalence

ON

The sum of 9 and five times a number(n) is 4.

Mathematical Equivalence

ON

Write expression for the sum of four and a number

• 4 + x

• 4/x

• 4 - x

• 4x

Write expression for the product of three and a

• 3a

• 3

• 3 - a

• a

Algebraic expression for the sum of two and x squared

• 2 + √x

• 2² + x

• 2 + x²

• 2 + x

Algebraic expression for the sum of two and x, all squared

• 2² + x

• (2 + x)²

• 2² + x²

The meaning of p² + q² in sentence form

• The sum of the squares of p and q

• The sum of p and q square

• The sum of p and q, all squared