More sheets come with a subscription
The first sheet at every level is free. A subscription gives you a new sheet whenever you want one — and the part paper cannot do: five minutes of practice a day that adapts to your child, and a weekly email naming exactly what they are stuck on.
$5 a child a month, never more than $12 for the family. The first 7 days are free and need no card.
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The mistakes behind most wrong answers
A wrong answer in comparing bigger numbers is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.
Which sign goes in the middle?
926?710The answer is >. A child who answers < probably chose the smaller one.
Which sign goes in the middle?
986?329The answer is >. A child who answers = probably read them as the same.
Which sign goes in the middle?
115?115The answer is =. A child who answers > probably did not spot that the two numbers were the same.
In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.