What do you notice about this number line?
What questions could you ask?
Click below to reveal some questions you might like to think about.
Often if a mathematician is stuck they might try an example with smaller numbers. Click below to reveal another example.
Below is an interactive number line. Can you work out what number is marked by the dot? Once you think you know, reveal the answer to check if you were right.
Explore the different number lines at different levels. Think about the strategies that you might use if you get stuck on the harder levels.
You could use this worksheet to create your own challenges.
What makes a challenge easier or harder?
We would love to hear about the strategies you used to figure out the missing numbers, and how you persevered and showed resilience if you got stuck!
You may be interested in the other problems in our Resilience and Perseverance Feature.