This would be a really fun activity for students to do after reading the book about King Tut. this activity will have the students use the creative side and make a pretty cool looking King Tut mask. Having the students be creative is a really good thing.
Counting and Measuring with Lego: Preschool Maths Game - Good way to visually compare numbers - I would suggest making the corresponding numbers (like 5 and 15 or 8 and the same color to help see the pattern relationship between the numbers and 15
Fine motor math and counting tray for toddlers and preschoolers from And Next Comes L #mathfortoddlers