This material involves subtracting numbers less than 100 without regrouping, utilizing both concrete objects and visual representations. Teachers will facilitate to the learners on how to subtract 2-digit numbers from 1-digit numbers and 2-digit numbers from other 2-digit numbers. By incorporating concrete and pictorial models, learners will strengthen their subtraction skills, improve their understanding of subtraction concepts, and develop a solid foundation in arithmetic operations within the range of 1 to 100.
Objective
To utilize concrete and pictorial models to subtract numbers less than 100 without regrouping is a valuable approach to enhancing students' understanding of subtraction concepts.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 1
Learning Area
Mathematics
Content/Topic
Numbers and Number Sense
Patterns and algebra
Intended Users
Educators
Competencies
Constructs equivalent number expression using addition and subtraction
Adds mentally two to three one digit numbers with sums up to 18 using appropriate strategies