Abstract
This research aims to investigate the relationship between self-confidence and mathematical problem-solving abilities of fifth-grade students at SD Negeri 3 Banda Aceh. The research utilizes a quantitative approach. The research subjects are 30 fifth-grade students. Data collection is conducted using questionnaires and mathematical problem-solving ability tests. Data analysis technique is carried out by calculating using correlation formulas. The correlation analysis used in this research is the Pearson product-moment correlation analysis. The research results indicate that the correlation value obtained is 0.087 with significance of 0.001. It can be said to be significant (0.001) < than (0.05). The t-value (0.461) < the t-table value (1.699). Based on this fact, H0 is rejected and Ha is accepted. The conclusion from the research results is that there is a relationship between self-confidence and mathematical problem-solving abilities of fifth-grade students at SD Negeri 3 Banda Aceh.
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