Addition, Subtraction, Multiplication, and Division Think Boards for use in Mathematics. Laminate or use within 'Write & Wipe' sleeve for repeated use with different equations. Fantastic for Morning Work activity, centres activity, small group OR whole-class instruction. This activity allows students to represent equations across varied operations in different ways, such as repeated addition/subtraction, worded problems, arrays, equal groups, on a number line, etc. Great for a 'check-in' or