Oak class used their bead strings to add 2-digit numbers to 1-digit numbers today. We noticed that sometimes just our ones change and other times we have to change our tens too. 
Oak Class Year 3
Posted by Posted by Posted by Posted by Posted by Posted by Oak class used their bead strings to add 2-digit numbers to 1-digit numbers today. We noticed that sometimes just our ones change and other times we have to change our tens too.
