| Common error: | What to read or do |
Confusing PPW-WU and JRU (if you answered one and it should have been the other) |
Use the resources from the two ways of looking at addition lesson |
| Confusing join problems with separate problems | Use the resources from the addition and subtraction as actions lesson |
| Confusing change unknown, start unknown and result unknown (in Join or Separate) | Watch about the different unknowns in this video on Join problems and this video on Separate problems |
| Confusing JCU with SRU, PPW-PU or CDU | Watch this |
| Confusing CQU and CRU | Use the resources from the variations on compare problems lesson |