2023-12-142023-12-14Mathematics, Mathshttps://dsstorage-hbmsu.com/handle/123456789/1966Topic A : Counting On or Making Ten to Solve Result Unknown and Total Unknown ProblemspdfAddition, Sum, Module 1513.2 G1M2 L1 2015QA115 .G1M2 L8 2015Lesson 9 Compare efficiency of counting on and making ten when one addend is 8.Text