Zbrajanje i oduzimanje do 20 (10+3, 13-3; 12+3, 15-3)
Matematičke puzzle (igra za vježbu)
https://learningapps.org/display?v=pw8vp0sgn20&fbclid=IwAR00_FKuySu-7MOCtl0PEMQUvCfUOGvtKQBwgBlxH641UCWhcbQ_YdnhWkc