Problem Solving Worksheets With Answer Key - Math Stars Page 16
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39Vol. 7 No. 5
5. Katherine's Kloset is having a red
1. Find three different ways to fill
dot sale - "Take an extra 1/3 off the already
in operations in the boxes below to make
reduced price!!" When Jennifer was about
the equations true.
to buy a dress that had been reduced from
6
1
2
2 = 5
$78 to $52 the clerk advised her to wait a
day when a new sale would announce 50%
off the original price. Should Jennifer wait
6
1
2
2 = 5
or buy the dress now? Why?
6
1
2
2 = 5
2. Which number(s) between 50
and 60 can be expressed both as the sum of
two consecutive integers and the sum of
three consecutive integers?
6. Name the mystery number.
______________
2
• less than 11
3
• greater than 4
3. Using exactly four 4's and any
• a prime number
operations [+, -, x, ÷, (),
, !], find an
• the sum of the digits is 11
expression to equal each of the following:
21 = ____________ 22 = ____________
Strategy of the Month
23 = ____________ 24 = ____________
Sometimes mathematical ideas are hard to think
about without something to look at or to move
around. Drawing a picture or using objects or
25 = ____________
models helps your brain "see" the details,
organize the information, and carry out the
4. If two apples and three bananas
action in the problem. Beans, pennies, tooth-
cost $0.51, while four apples and seven
picks, pebbles, or cubes are good manipulatives
bananas
to help you model a problem. You can use
objects as you guess and check or look for
cost $1.11, what is the cost of one apple
patterns. Try using objects to help you solve this
and five bananas?
problem: Place the first six counting numbers
_________
in the circles so that
the sum on each side
of the triangle is nine.
Is it possible to use
the numbers four
to nine to make the
sum of each side
the same?
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