Grade 8 - Diagnostic Test

How much is -16 diminished by 8?

• 21

• -24

• 8

• -8

Which of the following is arranged in ascending order?

• {11, 5, 19, 15}

• {-5, -2, 3, 7}

• {9, 3, -5, 4}

• {15, 5, 2, 11}

Which of the following fractions is the simplified product of  

 $2\frac{3}{5}and\ 1\frac{2}{5}$  

•  $3\frac{1}{5}$  

•  $2\frac{3}{5}$  

•  $16\frac{3}{25}$  

•  $3\frac{16}{25}$  

What is the value if you subtract -30 from 50?

• 20

• 40

• 60

• 80

What integer or number should be added to ̶ 5 to get 4?

• 1

• -1

• -9

• 9

 $Ifa=2\ and\ b=4,\ then\ (ab)^2\ is\ equal\ to?$    

• 8

• 16

• 24

• 64

Which of the following is ordered from least to greatest?

• (-5, -12, 0, -3, -8)

• (0, -12, -8, -5, -3)

• (-12, -8, -5, -3, 0)

• (0, -3, -5, -8, -12)

Which expression has the highest value?

• -4 – 3 + (-2)

• 4 – 1 + (-8)

• 2 + (-5) + 1

• -6 + 6 + 1

What is the algebraic expression of “the sum of a number and eighteen”?

• a + 18

• a - 18

• $a^2+8$

• a + 2a

 $What\ is\ the\ value\ of\ 3x^2-2x\ if\ x=2?$  

• 2

• 4

• 6

• 8