• Read the problem twice. Determine:
What’s being asked?
The number of words on the Three Bee list
What’s unknown?
The number of words on the Two Bee list
• Solve for the first unknown.
The One Bee list included 800 words.
The Two Bee list included 1,300 more words than the One Bee list.
800 + 1,300 = 2,100 So the Two Bee list included 2,100 words.
• Use your solution to solve for the next unknown.
The Two Bee list included 2,100 words.
The Three Bee list included
900 fewer words than Two Bee.2,100 – 900 = 1,200
So the Three Bee list included 1,200 words.