ちぎる

紙かみを千切ちぎる

to tear up paper

Wiktionary · CC BY-SA 4.0 · Source

練ねりあがったものを水みずで冷ひやして適当てきとうな形かたちに切きるか、濡ぬらした手てでちぎって丸まるめるとでき上あがり。

Let it cool in water and cut into pieces of proper size, or shape into round dumplings with wet hands.

KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source

この間かん、さまざまな経書けいしょ・史書ししょなどを学まなび、一度暗記いちどあんきしたページはちぎって河かわへ捨すてたという。

During this period he read various books on Confucianism and history, and it is said that he used to rip the pages and throw them away into the river once he had memorized the contents.

KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source