Tuesday, March 1, 2011

3rd grade: Optional homework for March 1 2011 class

Problem #1

Julius Caesar wrote the Roman Numerals I, II, III, IV, and V in a certain order from left to right. He wrote I before III but after IV. He wrote II after IV but before I. He wrote V after II but before III. If V was not the third numeral, in what order did Caesar write the five numerals from left to right?

Problem #2
In the multiplication problem below, each blank space represents a missing digit.
Find the product.















Problem #3
Thirteen plums weigh as much as two apples and one pear. Four plums and one apple have the same weight as one pear.
How many plums have the weight of one pear?

Problem #4
During a school year, a student was given an award of 25 cents for each math test he passed and was fined 50 cents for each math test he failed. At the end of the school year, the student had passed 7 times as many tests as he had failed, and received $3.75.

How many tests did he fail?

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