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.
Already subscribed? Sign in and you’ll come straight back to this sheet.
The mistakes behind most wrong answers
A wrong answer in rounding to any place 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.
Round to the nearest hundred thousand.
712,982The answer is 700,000. A child who answers 710,000 probably rounded to the wrong place.
Round 121045 to the nearest hundred.
121,045The answer is 121,000. A child who answers 121,100 probably counted one group too many or too few.
Round to the nearest thousand.
936,622The answer is 937,000. A child who answers 936,000 probably chopped the digits instead of rounding.
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.