Числата до 1000

https://wordwall.net/resource/19666051/%d0%bc%d0%b0%d1%82%d0%b5%d0%bc%d0%b0%d1%82%d0%b8%d0%ba%d0%b0-3-%d0%ba%d0%bb%d0%b0%d1%81-%d1%87%d0%b8%d1%81%d0%bb%d0%b0%d1%82%d0%b0-%d0%b4%d0%be-1000

Устно смятане

https://wheelofnames.com/bg/dne-2gk?fbclid=IwAR0cYbClPvg2O7CVnTJ2rZMHNxVk2twz1QEsf4zK5K4tUp_dKfkQ5zQLcOw

Упражнения за входни нива по 4 предмета

https://view.genial.ly/6118eeb49d2bd20dd5d332b8/interactive-image-onlajn-testove-za-uprazhnenie-v-nachaloto-na-3-klas?fbclid=IwAR01bYJCvjZfsKv7EeHuLWF3WOjx8RlojGEHLfrDslfl5sLPLodQ1w3fxIY