Grade 1 Maths
Subtraction within 20 — count back strategy
Curriculum mapping
CBSE · Maths
CBSE/NCF Board - MATHS
Learning Outcome/Standard
Performs subtraction within 20 using mental and concrete strategies like 'counting back.'
Curriculum Goal/Conceptual Understanding
CG-8: Children develop mathematical understanding and abilities to recognize the world through quantities, shapes, and measures
Skill/Competency/Standard
C-8.6: Performs addition and subtraction of 2-digit numbers fluently using flexible strategies of composition and decomposition of both numerical and word problems
Domain: Cognitive DevelopmentChapter / Unit: Numbers & Operations
Games that teach this
