This product is for Grade 3 teachers to set up BUILD math centres in their classrooms for counting by 1's, 2's, 5's, 10's and 25's. It contains the instructions and printables for three different math centres and gives suggestions on two other centres to rotate through. As well, a simple diagnostic is provided for you to assess students understanding of Grade 2 expectations to assist you in grouping students according to their strengths and needs. There is also a differentiated math word problem. Thank you for downloading my product! Please follow my TPT store!