Number Lines in Disguise

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem

Number Lines in Disguise printable sheet - main problem

Number Lines in Disguise printable sheet - blank number lines



What do you notice about this number line?

What questions could you ask?

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Number Lines in Disguise


Click below to reveal some questions you might like to think about.



What number would be where the dot is?

How do you know?

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Number Lines in Disguise


Where would $0$ be on the line?



Often if a mathematician is stuck they might try an example with smaller numbers. Click below to reveal another example. 



Consider the number line below. 

         
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Number Lines in Disguise


Can you figure out what any of the other numbers are on the number line?

Where would $0$ be on this line?

What strategies did you use?



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.