Friday, February 6, 2009

Math problems of the week: 3rd grade Investigations quiz vs. Singapore Placement test

1. The quiz given to Investigations 3rd graders at a model school on January 16, 2009:

Today is the 82nd day of school. How many more days until the 100th day of school? Explain your answer in numbers or words. Write an equation for this problem and put the answer in the answer box.

Number equation __________

Show and explain your solution:




Answer Box: __________

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2. The first word problem on the Singapore Math 3B placement test, a test assessing mastery of the first half of the 3rd grade Singapore curriculum:

The difference between two numbers is 456. If the larger number is 854, what is the smaller number?

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3. Extra Credit:

Discuss the correlation between being asked to show your work and having work to show.

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