← Back to all of your playlists

Playlist: Broken Calculators (Copy)

Broken Calculator: Multiplication Cross Product

This calculator multiplies almost correctly. Students will find the one step it skips.

Broken Calculator: 2-Digit Addition

This calculator adds two-digit numbers wrong, the same way every time. Crack the rule, then predict its next mistake.

Broken Calculator: 2-Digit Subtraction

This calculator gets subtraction wrong the same way every time. Can your students crack its broken rule?