Learning Advantage Double Value Vertical Flash Cards

• Great for teaching the relationship of addition and subtraction; (Example 3 + 1 = 4 on one side, 4 - 1 = 3 on the reverse)
• Each box contains 90 classroom-size flash cards
• 6. 25\" x 3. 25\"

Notched corners for quick organization. Large, easy to handle 6. 25\" x 3. 25\" 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 addition and subtraction, (e. g. : 3 + 1 = 4 on one side, 4 - 1 = 3 on the reverse).