KHỞI ĐỘNG 4 (Maths)

Ten plus eight equals ....

I have 7 dogs and give 4 away. How many are there left?

How many sides does a rectangle have?

My age is greater than thirty-two and less than thirty-four. How old am I?

How many sides do two triangles have?

How many weeks are there in a year?

Three times seven equals ....

Nam is twenty and his sister is 2 years older than him. How old is she?

Six times seven equals ....

Which next number follows the sequence? 100, 70, 40,...