Topic 3 Formative 2

Evaluate the following expression. 5²÷b+23-8; when b = 5

Mathematical Equivalence

ON

Evaluate the following expression. (m-4) 4 - 6; when m = 12

Mathematical Equivalence

ON

Write an algebraic expression: Twice a number m plus 8

• 8m

• m + 8

• 2m + 8

• 2(m + 8)

• 16

Write an algebraic expression. 14.8 less than a number n

• n - 14.8
• 14.8 + n
• 14.8 * n
• 14.8 / n

What is the value of 45 - 7q; when q = 3

• 24

• 135

• 28

• 150

Choose an expression to represent the following: The product of eleven and a number q

• 11q
• 11/q
• 11+q
• 11*q

Find the value of the expression when p = 2, q = 8, r = 9, s = 6:

s²÷2-q + 4÷p

• 12

• 24

• 36

• 48

What is the algebraic expression for 'three times a number n minus three'?

• 3n - 3

• n - 3

• 3n + 3

• n + 3

Find the expression that represents: "28 divided by the sum of a number x and 4".

• x + 4

• 28

• 28 + x

• 28 / (x + 4)

Evaluate (solve) the following expression. Substitute the numbers for the variables.

Use PEMDAS. 3(w + 10) - (h · 5); when w = 5 and h = 4

Mathematical Equivalence

ON