Number Sense and Basic Operations - 1

Addition

Worksheet: Adding 0 and 1

Worksheet: One digit addition

Worksheet: One digit addition of 3 numbers

Worksheet: One digit addition horizontally and vertically

Worksheet: Addition as counting forward

Worksheet: Two digit addition

Worksheet: Two digit addition and subtraction with verification

Worksheet: Two digit addition - Arrange vertically and add

Worksheet: Two digit addition find missing numbers

Worksheet: Three digit addition - Arrange vertically and add

Worksheet: Three digit addition horizontally and vertically

Subtraction

Worksheet: Subtraction as counting backward

Worksheet: Subtracting the number itself and previous number

Worksheet: Subtraction of tens

Worksheet: Subtraction with borrowing

Worksheet: Horizontal subtraction 1

Worksheet: Horizontal subtraction 2

Worksheet: Horizontal subtraction 3

Multiplication

Multiplication patterns

Division

Division patterns

Simplifying division

Approximating Quotients

Dividing by 2 digit number

Mixed Operations

Mixed Operations

Finding Unit costs

Activity: Counting and Operations

Number Stories

Teacher Handouts

Lesson plan for teaching basic number sense and operations - Gubbachi curriculum

Lesson plan for teaching basic integer operations, number line and place value

Sample Math worksheets (Tamil) - Vidyodaya Gudalur