Euli and Numerion each name a result for the same task.
Only one of the two numbers can be right.
Work out the task yourself.
Check the box next to the number that matches your result.
The check mark goes next to the right number, the cross next to the wrong one.
Example
For parents
What does this exercise practice?
Checking two claims and justifying the right one trains reasoning and talking about mathematics.
Common pitfalls
Do not guess and do not trust your favorite character. Calculate first, then check.
How to practice at home
Name two results for one task, one of them wrong, and let the child decide.
Related: Spot the Mistake, Math Problems with a Gap