Grade 10 Mathletes Test (2nd paper)

 $\left(+8\right)\ -\ \left(-2\right)\ -\ \left(+16\right)\$  

• ( +6 )

• ( +26 )

• ( -6 )

• ( -26 )

 $-2\left(a\ -3b\right)\ 5\ \left(3a\ -b\right)$      

Expand and simplify

• 13a-11b

• 17a+b

• 17a-11b

• 13a+b

Express in standard form and write in words

16030001

• one billion six hundred three thousand and one

• sixteen billion thirty thousand and one

• sixteen million thirty thousand and one

• one million six hundred three thousand and one

• C = 46cm

• C = 23cm

• C = 21cm

• C = 17cm

• Arc = 12.57cm

• Arc = 4.19cm

• Arc = 29.33cm

• Arc = 2.09cm

• Perimeter = 20.47cm

• Perimeter = 15.23cm

• Perimeter = 25.71cm

• Perimeter = 41.42cm

• Perimeter of shaded region= 62.84cm

• Perimeter of shaded region= 31.42cm

• Perimeter of shaded region= 82.84cm

• Perimeter of shaded region= 41.42cm

Use the Division method and find

 $\sqrt{5184}$  

• 71

• 75

• 72

• 78

Find the value using division method and accurate to one decimal place

 $\sqrt{1368}$  

• 36.8

• 36.9

• 37

• 36

Approximate

 $\sqrt{39}$  

• 5.3

• 6.4

• 5.4

• 6.3