4.100-19=, 100-7=ko`rinishdagi misollarni hisoblashlarni o`rgatishning qaysi mavzusiga kiritamiz va shunday 5 ta misol keltirib bajarib ko`rsating.
5. 58-39=, 77-19= ko`rinishdagi misollarni hisoblashlarni o`rgatishning nechanchi bosqichiga kiritamiz va shunday 5 ta misol keltirib bajarib ko`rsating.
6.35+6= 43+8= 57+7= ko`rinishdagi misollar qaysi mavzuga doir hisoblanadi va bajalishini ko`rsatib yana 5 ta misol keltirib bajarib ko`rsating.
7.9+4=15-7=12-5= 9+7= ko`rinishdagi misollar qaysi mavzuga doir hisoblanadi va bajalishini ko`rsatib yana har bir mavzuga oid 5 ta misol keltirib bajarib ko`rsating.