“…The findings from this study aligned with previous studies that demonstrated positive effects associated with the use of supplemental digital resources and students' mathematics performance among students at the elementary, intermediate, and junior high levels (e.g., Chappell, Arnold, Nunnery, & Grant, 2015;Clark & Whetstone, 2014;Kiriakidis & Geer, 2014;Martindale et al, 2005;Nunnery & Ross, 2007;Ysseldyke & Bolt, 2007). Among each campus level, Think Through Math © usage accounted for more than half of the variance in students' STAAR mathematics assessment scores than would be explained by chance.…”