sumstack

noun
UK /ˈsʌmstæk/
US /ˈsʌmstæk/

A sumstack is a pile of numbers you add up together.

She made a sumstack of all her toy counts to see how many she had.


OTHER MEANINGS

2. A stack of completed addition problems or worksheets.

The teacher collected the sumstacks from every desk.

3. In computing, a layered set of summed values kept in order.

The program stored the running totals in a sumstack.

4. A children's game where players stack blocks marked with numbers and add them.

They played sumstack until the tower of numbers fell over.