# Using Prime and Square Numbers - How Old Am I?

Last year I was square, but this year I am in my prime. How old am I?

Lesson idea. A problem solving activity, which can be used as a lesson starter.

Teaching approach. This short activity offers opportunity for pupils to engage in mathematical thinking(ta) and higher order(ta) problem solving/reasoning(ta). They should be able to make links between different areas of mathematics and explore their ideas in whole class(ta) discussion(ta) and questioning(ta). (edit)

 Resource details Title Using Prime and Square Numbers - How Old Am I? Topic [[Topics/Consecutive Sums|Consecutive Sums]] Teaching approach [[Teaching Approaches/Higher order|Higher order]],  [[Teaching Approaches/Questioning|Questioning]],  [[Teaching Approaches/Whole class|Whole class]],  [[Teaching Approaches/Mathematical thinking|Mathematical thinking]],  [[Teaching Approaches/Reasoning|Reasoning]],  [[Teaching Approaches/Discussion|Discussion]] Learning Objectives Using prime and square numbers to solve a problem. Subject [[Resources/Maths|Maths]] Age of students / grade [[Resources/Secondary|Secondary]],  [[Resources/KS4|KS4]],  [[Resources/KS3|KS3]] Files and resources to view and download See the lesson document in WikiText or download it here Using_Prime_and_Square_Numbers.doc (info) Acknowledgement This resource was adapted from resources contributed by Mark Dawes License This resource was adapted from resources contributed by Mark Dawes