sorting materials into groups class 6,sorting materials into groups class 6 questions and answers,grade 6 group,sorting materials into groups class 6 worksheet with answers,the 6 group,sorting materials into groups class 6 lesson plan,sorting materials into groups class 6 quiz,sorting materials into groups class 6 worksheet,sorting materials into groups class 6 byjus,sorting materials into groups class 6 pdf questions and answers