Problem Study 1/21

Links and useful resources

• gr7's Prealgebra Course Outline START HERE<<<
• AoPS Online Textbook
• IXL Grade 7 index
• IXL Grade 8 index
• AoPS Alcumus
• IXL prealgebra practice index
• OpenSTAX Prealgebra-1 textbook

Concept summary and lesson

• gcd algorithm
• mixed number arithmetic
• word problems

Preview of homework grading

Media resources

• Youtube search for "gcd algorithm"
• Youtube search for "mixed number arithmetic"
• Youtube search for "word problems"

Guided practice

• I bought a new comic book at the Comic Book Shoppe and paid entirely using quarters. If I had instead paid using only dimes, I would have needed 9 more coins. How much did the comic book cost?
• compute gcd(60,108)
• Between what two consecutive integers is 1603/80 - 62/7?