In 2021 Trends in International Mathematics and Science Study showed New Zealand students’ maths knowledge in year 9 fell below all other English-speaking countries. Kiwi student performance was the lowest ever recorded. Recent testing has indicated that New Zealand teens might fail their upcoming compulsory NCEA standards. This morning Stella spoke with Heather Lewis, the National Leader of Mathematics Interventions at Cognition Education about why we aren’t so great at maths as a country.