Year 9 Numeracy Skills NA1

L4

The population of Mount Pritchard was given as 6 million to the nearest million. Which could be the population of Mount Pritchard?

• 5 483 422

• 6 327 098

• 6 529 000

• 7 200 546

L4

The speed of wind is 103 879 metres per second. What is 3 quarter of this speed rounded to the nearest thousand?

L5

Which two numbers multiply to

 $-18$  and add to  $-7$  ?

L5

The temperature was

 $-3$  degrees at 6am. It then rose 8 degrees by 2pm and then dropped 4 degrees by 7pm. What is the temperature at 7pm?

•  $-1$  degree

• 1 degree

• 2 degrees

• 9 degrees

L5

Which is correct?

• $-4\ \ge7$

• $-5\ <\ -1$

• $4\ \le-7$

• $5\ \le1$

L6

 $H=0.3\times10^5$  
 $G=5.92\ \times10^3$  
 $F=0.0386\times10^6$  

 $E=3.76\times10^4$ 

Arrange the numbers in ascending order 

• G, H, F, E

• F, G, H, E

• G, H, E, F
  

• H, E, F, G

• F, E, H, G

L6

The population of Mildura is approximately 48 000. Which of these shows 48 000 in scientific notation?

• $4.8\times10^3$

• $4.8\times10^4$

• $4.8\times10^5$

• $4.8\times10^6$

L4

Write the simplest numeral for $\left(8\times1000000\right)+\left(3\times100000\right)+\left(7\times1000\right)+\left(2\times100\right)$  

L6

Write 0.000062 in scientific notation.

L6

Write $5.14\ \times10^{-6}$ as ordinary numerals.