NumIO learning activity
Meet the numbers that live next door
Number Neighbors makes the relationship between nearby numbers visible, so learners can reason instead of guessing.
Learning goal
Use one-step moves to identify the number just before or just after a given number.
How to play
Look at the highlighted clue, move one place left or right, and tap the neighboring number that answers the prompt.
Classroom idea
Ask whether the neighbor changes by one and have learners show the same relationship with a number sentence.
Frequently asked questions
What does “Number Neighbors” practise?
In “Number Neighbors”, learners use one-step moves to identify the number just before or just after a given number.
What is the difference between practice and speed run in “Number Neighbors”?
Practice gives five untimed questions. Speed run adds a timer that gets shorter with each correct answer, ends when wrong answers or timeouts use up three lives, and lets you post your score to this activity’s ranking with a nickname.
Is “Number Neighbors” free, and do I need an account?
Yes, it is free and there is no account or sign-up. Practice completions and speed run bests are saved in this browser; a nickname is only needed if you choose to post a speed run score to the ranking.