Upper secondary students' task reasoning T Bergqvist, J Lithner, L Sumpter International journal of mathematical education in science and technology 39 …, 2008 | 93 | 2008 |

Upper secondary students' task reasoning T Bergqvist, J Lithner, L Sumpter International journal of mathematical education in science and technology 39 …, 2008 | 93 | 2008 |

Themes and interplay of beliefs in mathematical reasoning L Sumpter International journal of science and mathematics education 11, 1115-1135, 2013 | 80 | 2013 |

Students’ mathematical reasoning and beliefs in non-routine task solving J Jäder, J Sidenvall, L Sumpter International Journal of Science and Mathematics Education 15, 759-776, 2017 | 77 | 2017 |

Preschool children's collective mathematical reasoning during free outdoor play L Sumpter, M Hedefalk The Journal of Mathematical Behavior 39, 1-10, 2015 | 62 | 2015 |

Children’s conceptions about mathematics and mathematics education A Dahlgren Johansson, L Sumpter MAVI-16, 2010 | 40* | 2010 |

Proceedings of the 42nd Conference of the International Group for the Psychology of Mathematics Education E Bergqvist, M Österholm, C Granberg, L Sumpter 42nd Conference of the International Group for the Psychology of Mathematics …, 2018 | 37* | 2018 |

Children’s conceptions about mathematics and mathematics education A Dahlgren Johansson, L Sumpter MAVI-16, 2010 | 35 | 2010 |

Algebraic and fractional thinking in collective mathematical reasoning H Eriksson, L Sumpter Educational Studies in Mathematics 108 (3), 473-491, 2021 | 32 | 2021 |

Reasoning characteristics in upper secondary school students’ task solving T Bergqvist, J Lithner, L Sumpter Mathematics and language, 71-77, 2004 | 30 | 2004 |

On aspects of mathematical reasoning: Affect and gender L Sumpter Print & Media, Umeå University, 2009 | 28 | 2009 |

Recreational Mathematics-Only For Fun? L Sumpter Journal of Humanistic Mathematics 5 (1), 121-138, 2015 | 23 | 2015 |

Upper secondary school students’ gendered conceptions about affect in mathematics L Sumpter Nordic Studies in Mathematics Education 17 (2), 27-47, 2012 | 22 | 2012 |

‘Boys press all the buttons and hope it will help’: Upper secondary school teachers’ gendered conceptions about students’ mathematical reasoning L Sumpter International Journal of Science and Mathematics Education 14, 1535-1552, 2016 | 21 | 2016 |

Investigating upper secondary school teachers’ conceptions: Is mathematical reasoning considered gendered? L Sumpter International Journal of Science and Mathematics Education 14, 347-362, 2016 | 21 | 2016 |

Two frameworks for mathematical reasoning at preschool level L Sumpter Mathematics education in the early years: Results from the POEM2 Conference …, 2016 | 21 | 2016 |

Preschool educators’ emotional directions towards mathematics L Sumpter International Journal of Science and Mathematics Education 18 (6), 1169-1184, 2020 | 20 | 2020 |

The Issue of'Proudliness': Primary Students' Motivation towards Mathematics. M Nyman, L Sumpter LUMAT: International Journal on Math, Science and Technology Education 7 (2 …, 2019 | 17 | 2019 |

Grade 2 and Grade 5 students’ conceptions about mathematics and mathematics education A Blomqvist, U Elamari, L Sumpter Proceedings of NORMA 11, 187-196, 2012 | 16 | 2012 |

An experimental study of segregation mechanisms M Tsvetkova, O Nilsson, C Öhman, L Sumpter, D Sumpter EPJ Data Science 5 (1), 1-10, 2016 | 12 | 2016 |