Standard form is when you remove the brackets and the redundant plus sign or in money form the "and" sign. (Sorry about picture quality taken with and Ipod.)
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This is a place for the community of learners in Room 8-17 to learn and enjoy math. It is an extension of the classroom making it accessible 24 hours a day, 7 days a week.
Good Job, Leif! I like how you explained each question with a model. I also like how you included sentences to go with each one. Next time, take better pictures. Also, I am bothered at how your last picture and the text aren't aligned with the other 2 pictures. Overall, great job!
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