2023-12-142023-12-14Mathematics, Mathshttps://dsstorage-hbmsu.com/handle/123456789/1943Topic B : Counting On or Taking from Ten to Solve Result Unknown and Total Unknown ProblemspdfSubtraction, Difference, Module 1513.2 G1M2 L1 2015QA115 .G1M2 L14 2015Lesson 14 Model subtraction of 9 from teen numbersText