SmarterEd

Aussie Maths & Science Teachers: Save your time with SmarterEd

  • Login
  • Get Help
  • About

Integers, SM-Bank 070

Jamison measured the temperature at sunrise to be `-7\^circ`C.

He measured the temperature again 3 hours later and found it had risen to `5\^circ`C.

  1. By how many degrees had the temperature risen during the 3 hours since sunrise?  (1 mark)

    --- 1 WORK AREA LINES (style=lined) ---

  2. What was the average hourly increase in temperature during this 3 hours period?  (1 mark)

    --- 1 WORK AREA LINES (style=lined) ---

Show Answers Only

a.   `+12^circ`

b.   `4^circ text(/hour)`

Show Worked Solution
a.   `text(Temperature change)` `=5-\-7`  
  `=+12\^circ`  

 

b.   `text(Average temperature)` `=12/3`
  `=4\^circ\text(/hour)`

Filed Under: Computation With Integers Tagged With: num-title-ct-core, smc-4209-50-Add and Subtract, smc-4209-60-Multiply/Divide

Copyright © 2014–2026 SmarterEd.com.au · Log in