Vertical addition laid out the way it is taught, with a light band above each problem to write the carried digit. The gentle setting never carries at all, so a child can learn the layout before the regrouping.
Grade 2 · medium
Line up the ones. Start on the right and regroup when you need to.
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Difficulty is a real change to the numbers or the layout, not a label.
Two digits, and never any carrying.
Two digits, carrying allowed.
Three digits with carrying, four at Grade 4 and up.
Tap a grade you can use for a page of everything a child that age can practise here.
Most free column addition sheets set the problems too close together, so the carried digit ends up written on top of the row above. The child then cannot read their own work, makes an error that has nothing to do with addition, and is told they got it wrong.
Each problem here gets a cell sized to leave a clear row for carries above the top number and a clear row for the answer under the rule. Twelve to a page at balanced spacing. It looks emptier than a typical worksheet, on purpose.
The column algorithm is fast and reliable and it hides what is happening. A child who has only ever added in columns will often be unable to add 40 and 30 in their head. The usual sequence is to build the mental strategies first, then formalise them into columns once the child already knows roughly what the answer should be.
In practice that means the horizontal addition sheets come first, and these come second — which is also the order the grade ranges here suggest.
Yes. The gentle setting only produces problems where no column adds to ten or more.
Yes, a faint dashed band sits above each problem whenever the setting allows carrying.
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