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1. what is the square number of 18?
2. What is -16 + 15?
3. Find the common multiples of 10,11 and 12.
4. What is the divisibility rule of 5? Give some examples.
5. Write the order of rotational symmetry for each shape that is square and heptagon.
6. The square based pyramid is made up of _ square and _ triangles 
7. The angles of shape are 29 degrees, 53 degrees and 98 degrees. Is it a triangle?
8. What is an octahedron?
9. Differentiate between a tetrahedron and an icosahedron.
10. Does a kite have 90 degrees?

write the answers in the comments below.