名創小學數學https://www.mceduhub.com/Lead/Login/lms_login.aspx
Geoboardhttps://www.mathplayground.com/geoboard.html
Geogebrahttps://www.geogebra.org/
Introduction of Mathematicianshttp://www.mathland.idv.tw/history/mathematician.htm
Interactive clockhttp://www.mathland.idv.tw/ggb/ggbhtml5/clock.html
Educational Television in Maths, eTVhttps://www.hkedcity.net/etv/listing/570770e3f57da1f03b020000
List the fractionshttps://www.ixl.com/math/grade-3/show-fractions-area-models
Classify quadrilateralshttps://www.ixl.com/math/grade-4/classify-quadrilaterals
Measuring objectshttps://www.ixl.com/math/grade-1/measure-using-a-centimeter-ruler
Addition and subtractionhttps://www.ixl.com/math/grade-1/addition-and-subtraction-facts-numbers-up-to-18
Subtraction, sum to 18https://www.ixl.com/math/grade-1/subtraction-facts-numbers-up-to-18
3-digit additionhttps://www.ixl.com/math/grade-2/addition-with-three-digit-numbers
Educational Television, EDB 
(Mathematics Education)
https://emm.edcity.hk/category/%E5%AD%B8%E7%BF%92%E9%A0%98%E5%9F%9F_%E6%95%99%E8%82%B2%E5%B1%A4%E9%9D%A2++KLAs_Levels+of+Education%3E%E6%95%B8%E5%AD%B8%E6%95%99%E8%82%B2+Mathematics+Education/172368882
Mathematics Educationhttps://www.edb.gov.hk/tc/curriculum-development/kla/ma/index.html
21st Century Modern Mathematics Webhttps://www.mers.hk/login/gateway/pmath_st.php
Khan Academyhttps://www.khanacademy.org/
Bar charts and line graphhttp://www.mathland.idv.tw/ggb/ggbhtml5/succdice.html
Questions with scenario settinghttp://res.hkedcity.net/html/pri/maths/maths002_ufia/S/math3/scripts/student/serve_home-_homepage.htm
Fraction Bar
 
https://www.mathplayground.com/Fraction_bars.html
Intersection of 3-D Shapehttps://www.geogebra.org/m/gxQwFcvu
Mixed operationshttps://www.mathsisfun.com/numbers/index.html
Addition, sum to 10https://www.ixl.com/math/grade-1/addition-facts-sums-up-to-10
Symmetrical shapeshttps://www.ixl.com/math/grade-1/symmetry
Addition, sum to 18https://www.ixl.com/math/grade-1/addition-facts-sums-up-to-18
3-digit subtractionhttps://www.ixl.com/math/grade-2/subtract-three-digit-numbers
About Angleshttps://www.mathsisfun.com/angles.html
HkedCityhttp://minisite.proj.hkedcity.net/edbosp-math/cht/home.html