Cite (But you don't need to do this part for this question)
Explain your scenario
2 points
2
Question 3
3.
Write an expression to represent this scenario: "On Tuesday at lunch time it was 29 degrees Celsius. By sunset the temperature had dropped 16 degrees."
1 point
1
Question 4
4.
What is the sum: -6 + 5
1 point
1
Question 5
5.
Find the sum: 9 + (- 15)
1 point
1
Question 6
6.
Find the sum: 56 + (-56)
1 point
1
Question 7
7.
Find the sum: -240 + 370
1 point
1
Question 8
8.
Find the difference: 18 - (-2)
1 point
1
Question 9
9.
Find the difference: -7 - (-10)
1 point
1
Question 10
10.
Clare has $150 in her bank account. She buys a bike for $200. What is her bank account balance now?
1 point
1
Question 11
11.
If Alex has -$25 in her account, then earns $75 delivering newspapers. How much will she have in her account then?
1 point
1
Question 12
12.
Which other expression has the same value as (-14)-8?
1 point
1
Question 13
13.
Which other expression has the same value as (-14) - (-8)?