Mathematical Fluency

Addition Matrix

1
2
3
4
5
1
2
3
4
01234
12345
23456
34567
45678
56789
Great job!
Sorry, that's incorrect. Try again.
No answer recorded.
Provide feedback on this tool

Provide Feedback

Remember to double check your answer. Thanks for your help!
What's wrong?
  • Alternatively, you can report any technical problems you may be experiencing.