Addition to 20
Addition to 20 helps children practise adding numbers with totals up to 20, including some sums that cross 10. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- Look for a way to make 10.
- If the sum does not cross 10, count on normally.
- If it crosses 10, split the second number into two parts.
Examples
7 + 6 = ?
13
9 + 4 = ?
13