Tier 2 intervention lessons and teacher manuals for various grade levels, published by the MCPER Mathematics Institute for Learning Disabilities and Difficulties, are now available to Texas educators free of charge. Kindergarten to grade 2 products are available on the 3-Tier Mathematics Model website. Grades 3–4 and 6–7 products are available on Project Share.
The kindergarten to grade 2 lessons focus on foundational mathematics skills and build number sense. The grades 3–4 lessons explore prerequisite topics in algebra readiness, including place value concepts; addition and subtraction of whole numbers; multiplication and division concepts; fraction concepts; multiplication and division strategies; multiplication and division of whole numbers; modeling, comparing, and ordering fractions; and fraction and decimal relationships. The middle school lessons cover algebra readiness topics such as variables; equivalence, expressions, and equations; ratios and rates; and proportional reasoning.