This learning material focuses on identifying and filling in missing numbers in addition or subtraction sentences with values up to 20. By recognizing patterns in numerical sequences, teachers will guide their learners on how to enhance their problem-solving skills and deepen their understanding of arithmetic operations. Additionally, learners will explore repeating patterns, extend existing sequences, and create new patterns to reinforce their grasp of mathematical concepts and develop their pattern recognition abilities.
Objective
To find the missing number in addition or subtraction sentences involving numbers up to 20
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
