
FreeGrade 1 · Year 2MathCommon Core 1.OA.C.61 page + answer key
Subtraction within 20 worksheet
Twenty take-away problems with numbers up to 20 and an answer key on page 2.
Paper size
SkillSubtracting within 20
TimeAbout 10 minutes
Learning goalSubtract within 20 using strategies such as counting back.



