CCSS.1.NBT.C.5Grade 1 · Number and Operations in Base Ten
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count
Skills that meet it
3 skillsStandard text is quoted from the Common Core State Standards.
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count
Standard text is quoted from the Common Core State Standards.