Researched working with eminent educational personalities & thru various books. These 7 Mathematics activities your child should be knowing and doing by grade 1-2 or age 5-7
And If Maths is made easy and fun as this, kids will love doing it on own.

Research shows children needs to practice and find varied opportunities to work with maths concepts. It helps to develop mathematical thinking and skills
Regular practice builds maths performance and Maths is language to describe science concepts.

Activities include applying concept of addition/subtraction, number crunching, fast logic, times tables and go beyond finger counting. This stimulates critical thinking and above all develop mathematical reasoning.

Includes Missing numbers, Addition of more than two numbers, applying multiple concepts together, Times tables/multiplication, Unique dynamic Word problems