MAGIC TRIANGLESSo simple in design… so easy to use…they must be magic! The simple format allows young children to work without adult supervision while they learn, memorise and self check the addition and subtraction facts for numbers 1-10.Use a whiteboard marker to complete the revision exercise on the back of each laminated card. Combinations can be practised repeatedly. Cards can be used in many ways… as a wall display forpermanent reference, as activity cards for individual students or played as a game by small groups of children. Each number is colourcoded for easy recognition.Contains 35 cards measuring 13.5cm x 13.5cm and are supplied in an attractive and practicalstorage container.AdditionThe sum of the two bottom numbers equals the number at the top of the triangle.7 + 3 = 10 3 + 7 =10SubtractionStart with the number at the top. Choose a number at the bottom tos ubtract. Cover the selected number. The answer will be the remaining bottom number.10 – 7 = 3 10 – 3 = 7\r\n\r\nAges: 6+ years