optional problems

Hope you are having a great weekend. We will have a test on integers on Thurs.

Here are some practice problems.

For the following write a story with hot and cold cubes. Make a cauldron and solve. Make sure to read the story first that is on my web page as an attachment.

1) -5 + +3 =

2) +7 + -5=

3) -2 - +4 =

4) +9 - +2 =