Grade 8 diagnostic

• 2300
• 230
• 23000
• 230000

What is the value of x?
3x + 4 when x = -2

• 10
• 2
• -2
• 4

Simplify 5x + 4y +2x + 8y

• 7x+12y

• 19xy

• 10x+32y

• x+y

b² + 4
when b = 3

• 10
• 12
• 13
• 11

Simplify 3x + 4y + 6x + 4y

• 6x +4y

• 9x+ 8y

• 7xy + 10xy

• 17xy

• True

• False

At a station,

60% of the trains arrived on time

10% of the trains arrived early.

What percentage of the trains arrived late?

• 30%
• 20%
• 40%
• 50%

The cost of a cake is £1.30

Molly buys one cake and two cups of tea.

She pays £3.70 altogether.

Work out the cost of one cup of tea.

• £1.20
• £1.00
• £0.80
• £1.10

Leroy asked his friends how many days they had been absent from school this term. 

Here are the results.

1 0 4 2 0 1 1 0 0 3

What is the mode?

• 1
• 0
• 4
• 2

Leroy asked his friends how many days they had been absent from school this term. 

Here are the results.

1 0 4 2 0 1 1 0 0 3

What is the mean?

• 1.4

• 1.5
• 1.1

• 1.2