Double Value Vertical Flash Cards Addition Subtraction

Notched corners for quick organization. Large, easy to handle 6-1/4″ x 3-1/4″ cards. Bold, heavy type to use with large groups. Durable, thick card stock (14 pt.). Self-checking. Great for small groups, pairs, and whole class participation. Great for teaching the relationship between +/-, (e.g.: 3+1=4 on one side, 4-1=3 on the reverse).

Key Features :

Great for teaching the relationship of +/- and multiply/divide; (Example3+1=4 on one side, 4-1+3 on the reverse)Each box contains 90 classroom-size flash cards6-25″ x 3.25″