Posted by: martrejo on: November 10, 2009
Last week we learned about prime and composite numbers. Please write a definition for prime numbers and list all the prime numbers from 1-100 (hint: look at the sieve of Eratosthenes). Please also write a definition for a composite number and give five examples. We also talked about the number one. What did we say about it?
Posted by: martrejo on: November 1, 2009
We have been studying improper fractions and mixed numbers. In your own words, write what is an improper fraction and a mixed number. Be sure to give an example of each.
Posted by: martrejo on: October 25, 2009
Read two division problems from the October 19-25 comments and write the number sentence that is used to solve the problem. Solve it and write the answer in a complete sentence.
Posted by: martrejo on: October 18, 2009
Write a problem that uses division to solve. Use three-digit dividends and
two-digit divisors.
Posted by: martrejo on: October 12, 2009
Read and choose two multiplication word problems from the October 5-9 comments and solve them. Please write your answer in a complete sentence.
Posted by: martrejo on: September 27, 2009
The easiest way to find the total number of items in equal groups is to use multiplication. Multiplication allows you to do repeated addition quickly and efficiently.
Write a multiplication word problem using two of the following factors: 75, 12, 34, 15, or 23. For example: Joe sold 75 boxes of candy for a fundraiser. Each box was sold for $12. How much money did Joe raise?
Posted by: martrejo on: September 23, 2009
In the number 2,859,657 which digit has the greatest value? Explain.
