Grade One Number Sense
Students will use their knowledge of numbers and operations to solve mathematical problems encountered in everyday life. They will learn addition and subtraction facts for numbers up to 10. They will learn to mentally add and subtract whole numbers that total no more than 20. They will mentally understand addition and subtraction situations of whole numbers up to 50.
Grade Two Number Sense
Students will use their knowledge of numbers and operations to solve mathematical problems encountered in everyday life. They will learn addition and subtraction facts for numbers up to 20. They will learn to mentally add and subtract whole numbers that total no more than 50. They will mentally understand addition and subtraction situations of whole numbers up to 100.
Watch this video to learn how to use a number line to add 2 digit numbers.
Watch this Video to learn how to decompose numbers to answer two digit addition questions.
Watch this Video to learn how to decompose numbers to answer two digit addition questions.