A learning material that discusses the principles of adding numbers and the different properties of addition including mental calculation and analysis of word problems.
Objective
Be able to perform addition operations, Read money and identify them, Read numbers, perform skip counting, comparing 3 digit numbers and identify patterns of ordinal numbers
Curriculum Information
Education Type
K to 12
Grade Level
Grade 1
Learning Area
Mathematics
Content/Topic
Numbers and Number Sense
Intended Users
Educators
Competencies
Illustrates addition as putting together or combining or joining sets
Visualizes and adds two onedigit numbers with sums up to 18 using the order and zero properties of addition
Adds two onedigit numbers using appropriate mental techniques eg adding doubles andor neardoubles
Visualizes and adds three onedigit numbers using the grouping property of addition
Visualizes and adds two to three onedigit numbers horizontally and vertically
Uses expanded form to explain the meaning of addition with regrouping
Visualizes and adds numbers with sums through 99 without or with regrouping
Adds mentally two to three one digit numbers with sums up to 18 using appropriate strategies
Adds mentally twodigit numbers and onedigit numbers with regrouping using appropriate strategies
Visualizes and solves onestep routine and nonroutine problems involving addition of whole numbers including money with sums up to 99 using appropriate problem solving strategies
Creates situations involving addition of whole numbers including money
Illustrates subtraction as taking away or comparing elements of sets
Illustrates that addition and subtraction are inverse operations
Visualizes represents and subtracts onedigit numbers with minuends through 18 basic facts
Visualizes represents and subtracts one to twodigit numbers with minuends up to 99 without regrouping
Uses the expanded form to explain subtraction with regrouping
Visualizes represents and subtracts one to twodigit numbers with minuends up to 99 with regrouping
Subtracts mentally onedigit numbers from twodigit minuends without regrouping using appropriate strategies
Visualizes represents and solves routine and nonroutine problems involving subtraction of whole numbers including money with minuends up to 99 with and without regrouping using appropriate problem solving strategies and tools
Creates situations involving subtraction of whole number including money
