Number Sense Blog



October/November 2014 Newsflash: Math Muscle Challenge

Oct 16, 2014

Grades 1 - 5: Annie looked into a dog park and observed the dogs and their owners. She counted 50 legs. With a total of 16 "beings" (dogs and/or owners), how many dogs and how many owners are in the dog park? (Hint: Annie is not in the dog park.) ...



August/September 2014 Newsflash: Tips & Techniques

Aug 14, 2014

"Thinking backwards"-starting at the end of the problem and using reverse operations-can help you solve certain problems at different grade levels. Upper Elementary and Middle School: A certain number is doubled. That answer is tripled. Fina...



August/September 2014 Newsflash: Math Muscle Challenge

Aug 14, 2014

Take the Math Muscle Challenge!   Grades 1 - 6: A racehorse can run a mile in 1 minute 40 seconds.  At that rate, how many seconds will it take the horse to run a half-furlong? (Hint - A furlong is 1/8 of a mile.)   Grades 6 and up: Br...



Tips and Techniques: Transposing

Jun 5, 2014

  Transposing is an important technique for students to master as they progress from Algebra I to Algebra II and beyond. It’s the process of moving quantities across the equal sign in an equation to make the problem solving process more efficie...



June/July 2014 Newsflash: Math Muscle Challenge

Jun 5, 2014

Answers to last month's challenges: Grades 1-6: $37.15 Grades 6 and up: 64 times larger This month's problems: Grades 1 - 6:  Rick goes to the park each day and counts the number of ducks swimming on the pond. On Sunday he counts 1 ...


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