Esther Shin, Fozia Ali, Fahima Dawy
The new back-to-school basics: COVID-19 hygiene education for elementary students
Annals of family medicine
relation operands ro principles describe relation operands answers arithmetic problems eg sum always larger positive addends despite fundamental property arithmetic empirical relation arithmeticalgebraic problem solving seldom investigated current longitudinal study aimed address issue twohundredandtwo chinese fifth graders 57 boys assessed ro understanding arithmeticalgebraic problem solving assessed multiple times 2 years results latent growth curve modeling showed ro understanding predicted growth arithmeticalgebraic problem solving known predictors arithmeticalgebraic problem solving controlled findings highlight role ro understanding childrens mathematical development interventions developed enhance childrens ro understanding psycinfo database record c 2023 apa rights reserved