# Castle Douglas Primary and Early Learning and Childcare Centre # Patterns – Squared and Cubed Numbers

Activity 1 – True or False Squared?

Focus – I have investigated and re-created well-known number patterns – Square numbers.
Resources – pencil and paper

Work with a family partner and write six true and six false statements about square numbers, e.g. 80 is a square number (false); 9 squared is 99 (false); the number after 49 in sequence of square numbers is 64 (true), etc. Bring your questions in to school to share with a friend. Activity 2 – Which Year Squared?

Focus – I have investigated and re-created well-known number patterns – Square numbers.
Resources – pencil and paper. A calculator can be used if wished.
Investigate which year closest to the current year is a 4-digit square number. Use a written method or calculator to square different 2-digit numbers to find the one whose square is closest to this year. The answer is at the bottom of this page. Activity 3 – True or False Cubed?

Focus – I have investigated and re-created well-known number patterns – Cube and triangular numbers.

Resources – pencil and paper

Work with a family partner and write six true and six false statements about cube and triangle numbers, e.g. 100 is a cube number; 10 cubed is 1000; the number after 8 in the sequence of cube numbers is 27. Bring your questions in to school to share with a friend. Activity 4 – Which Year Cubed?

Focus – I have investigated and re-created well-known number patterns – Cube and triangular numbers.
Resources – pencil and paper. A calculator can be used if wished.
Investigate which year closest to the current year is a 4-digit cube number. Use a written method or calculator to cube different 2-digit numbers to find the one whose cube is closest to this year. The answer is at the bottom of this page. Activity 2 Answer – 2025, which  is 452 x 452

Activity 4 Answer – 2197, which is 133 x 133 x 133