Volume 8 Math Stars Worksheet Page 5
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35Vol. 8 No. 2
1. Find all the positive integers less than 1000
5. There are 44 boys in the eighth grade
that are divisible by 2, 3, 5, and 7.
class of Gordon Middle School. There are 14
boys who do not play football and six of the
football players do not play basketball. How
2. An eight inch diameter pizza costs $3.85.
many eighth grade boys play both football and
Kate asserts that a 16 inch diameter pizza (same
basketball?
toppings, same crust) should cost $7.70. Explain
her reasoning, and determine if this is the fair price.
What cost would you propose as fair? Why?
6. Johna and her three friends order the
same thing for lunch except Johna has an extra
slice of pizza for $1.25. If the total bill is $10.45,
what is Johna's share?
3. The figure below has four rows; the
first row contains a one.
1
2
3
4
5
6
Strategy of the Month
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Your brain is an organizer. It organizes infor-
a) What are the numbers in the 12th row?
mation as it stores that information. When a
problem involves many pieces of information,
b) What is the sum of the numbers in the 72nd row?
your brain will have an easier time sorting
through it if you make an organized list. A list
helps you be sure you have thought of all of the
possibilities without repeating any of them. Like
4. Arrange the digits 1, 3, 4, 6, 9 in the spaces
drawing a picture or making a diagram, making
below to give the largest possible
an organized list helps your brain "see" the
product.
problem clearly and find a solution. Try making
_____ _____ _____
an organized list to solve this problem:
X
_____ _____
You receive a penny on January 1st, two cents
________________________________
the next day, four cents the next and so on,
doubling every day. How long will it take to be
a millionaire? Suppose you started with a nickel
and doubled, how long before you are worth a
million dollars?
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