Predict: I predict this will be about addition.

Read: Fill in the digits 1,3,4,5 and 6 so that each side of the triangle equals 9.

Clarify: Nothing to clarify.

Big Question : Witch numbers go where so that each side equals 9.

mathematicians tool box: Guess check and improve.

Solve: I came up with as many sums I could with those numbers so that they equal 9.

Summery: This question was pretty stiff but when your doing any thing just remember to never give up. As long as you work hard you can accomplish any thing! I went through the steps with you and now you know how to do it so give every thing a shot.