The purpose of this activity is to support students learning the most difficult addition basic facts to 20, meaning those that are not easily derived from doubles or teen number knowledge. These facts have sums in the range 11-19, such as 8 + 6 = 14 and 7 + 9 = 16.
Next steps
Printed from https://nzmaths.co.nz/resource/harder-addition-facts-20 at 10:56pm on the 29th April 2024