Adding Negative Numbers
Getting Started
1. Go to the Sumdog website (www.sumdog.com).
2. Choose any multiplayer game from the home page.
3. Choose the “Training” activity.
Instructions
1. Select Level 10 and find the topic in the dropdown which says “Adding
two negative numbers (up to +/-20)”.
2. The box for this topic will be highlighted on the wall.
3. Choose the Play Class option to compete against people in your class!
4. At the end, see the answers to questions you got wrong.
5. Back on the main screen, look at the box on the wall. The more
questions you got right, the clearer it will be.
6. When you are ready, try the Challenge topic.
7. If you have more time, review subtraction with positive and negative
numbers!
Practice
Challenge
Review
Level 10 - “Adding two negative numbers (up to +/-20)”
Level 10 - “Adding two negative numbers (up to +/-100)”
Level 10 - “Subtracting positive and negative numbers (up to
+/-20)”
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