Situmorang, Naila Izzatul Fikriyah, Zafira Az-Zahra, Ika Sucinta Erli, Viona Fitriani, Adam Maulana, Chorry Novita Harianja, Ratu Balqis, Siti Mulyani, Asra Hapiza, and Nurhaswinda Nurhaswinda. 2025. “Learning of Addition and Subtraction Operations”. TOFEDU: The Future of Education Journal 4 (6):2314-18. https://doi.org/10.61445/tofedu.v4i6.670.