Looking at the world from a different perspective allows us to see patterns and connections that we may not normally see or notice. Try estimating everyday activities/items (distance, weight, time, cost). Calculate driving times and average speeds. Find the better deal at the grocery store. Create a monthly budget of expenses. Look at graphs showing the growth of Covid 19 in BC, compare it to Canada, other countries.
The more you engage in this type of questioning, the more obvious it becomes that numbers rule our world.
These websites help promote this type of mathematical thinking. We may not always be using numbers to think mathematically.
Which One Doesn't Belong: Multiple answers provide an opportunity to explain your reasoning.
Logic and Problem Solving Opportunity for Reasoning and Problem Solving
Math Pickle Lots of activities and games that can be played at home
Estimation 180 A daily challenge to practice estimation and rationalization skills
These websites are curriculum based and provide students with an opportunity to learn individual topics through exploration and practice.
Khan Academy : A great resource to build basic skills.