prediction: I predict it will be about adding.

read: There are 22 students in the class, there are 4 more girls. how many girls are there?

clarify: nothing to clarify.

math tool: guess, check and improve

the big question: how many girls?

solve: make sure there are 6 girls and 6 boys. so double 6 = 18. so then there are 4 people left. and there all girls.

summery: this can be hard but it gets easier.