Good Websites

MATH

Junior Math (Math Frog)

https://cemc2.math.uwaterloo.ca/mathfrog/

Nelson Math grade 4

http://www.nelson.com/nelson/school/elementary/mathK8/math4/studentcentre/studentcentre.html

Fun Brain

https://www.funbrain.com/

Math : Area

https://ca.ixl.com/math/grade-4/select-two-figures-with-the-same-area

Math playground

https://www.mathplayground.com/