By the end of grade 3, students are to be able to show number sense with numbers from 0-999. This includes flexible representing of numbers (for example, 100 can be 10 groups of 10, 2 groups of 50, 100 one units, 5 groups of 20, 25 groups of 4, etc.). We practise skip counting to bridge over 100 (95, 100, 105, 110, 115....995), ordering numbers by comparing the value of digits in their place, determining which numbers are less than or greater than other numbers, and rounding.
Each week, the students are learning and practicing different addition and subtraction strategies to support their learning and faster recall of the 0-20 addition/subtraction facts.
We expand on learning form grade 3 where students learned 2 digit addition. We also continue to practice our basic addition facts in order to become fluent.
Important concepts:
I can understand addition and subtraction up to 1000
I can demonstrate fluency with math strategies for addition and subtraction
I can recall addition facts to 20
I can show one step addition and subtraction equations with an unknown number
It is important that learners become proficient in their basic facts in order to do more complicated math problems with ease. We recommend that learners practice their basic facts every week. 5-10 minutes everyday would be best.
Here are some other useful websites and resources for Math Practice