Download Math_OAT_Jeopardy-2

Numbers and
Operations
Measurement
Geometry
Patterns,
Functions,
Algebra
Data
Analysis
Probability
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Which digit is the 4 added to?
0.4 + 3.59
Which digit is the 4 subtracted from?
8.361 – 5.74
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In the problem 0.4 + 3.59, the 4 is
added to the digit 5 because both
digits are in the tenths place.
In the problem 8.361- 5.74, the 4 is
subtracted from the 6 because both
digits are in the hundredths place.
Remember to line up the decimal.
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Identify the name of the measurement
described below.
A. Space inside a flat surface
B. Covering the faces of a solid
C. Filling the inside of a solid
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A. The space inside a flat
surface is AREA.
B. The covering of the faces is
SURFACE AREA.
C. The space inside a solid is
VOLUME.
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Describe the difference between
parallel and perpendicular lines.
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Parallel lines travel in the same direction
and never meet (like the l’s in the
word parallel.
Perpendicular lines intersect (meet) to
form a right angle (like the two
segments that meet to form the capital
letter L).
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Solve for b.
b = 5a – 6
a= 9
b= ____
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b = 5a – 6
a= 9
b= 5 x 9 – 6 = 45 – 6 = 39
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I am not sure on which day of the
week I want to have baseball practice,
so I write the days on slips of paper
and put them into a hat. When I pick
a day out of the hat, what is the
probability that I will pick a day that
begins with the letter “T”?
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There are 2 days in the week that begin with
the letter “T” (Tuesday and Thursday), and 7
total days in a week.
Probability can be shown as a ratio comparing
an event to the total number of outcomes.
Therefore, the probability of picking a day
that begins with “T” is 2/7.
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Find the equivalent decimal
and percent for 2/5.
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2/5 = 0.4 = 40%
To change the fraction to a decimal,
change it to tenths or hundredths.
To change the fraction to a percent,
change it to hundredths.
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Match each measurement with
its possible unit.
1. Area
A. feet (ft)
2. Perimeter
B. square feet (ft²)
3. Volume
C. cubic feet (ft³)
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1. B. Area is measured in
square units.
2. A. Perimeter is measured in
linear (length) units.
3. C. Volume is measured in
cubic units.
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Describe the differences between a
line, segment, and ray.
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A line travels forever in two
directions.
A segment has two endpoints, and is
just part of a line.
A ray has one endpoint, and travels
forever in one direction.
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Find the missing number in the
table and write the equation.
x
y
1
6
2
12
3
18
5
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The missing number is 30 and
the equation is y = 6x.
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x
y
1
6
2
12
3
18
5
30
Find the range, mean, median, and
mode from the following data.
7, 2, 6, 3, 2
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7, 2, 6, 3, 2
Range = 7 – 2 = 5
Mean = (7+2+6+3+2)  5 = 4
Median = 3
Mode = 2
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Round each decimal to the
place value indicated.
3.47 to the nearest tenth
9.782 to the nearest hundredth
6.67 to the nearest one
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Remember that the place after the place
you’re rounding to determines whether
you round up or down.
3.47 to the nearest tenth is 3.5
9.782 to the nearest hundredth is 9.78
6.67 to the nearest one is 7
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Convert the following.
4 quarts = ____ pints
5 kilometers = ____ meters
10 pounds = ____ ounces
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4 quarts = 8 pints
1 qt = 2 pints, so multiply 2 by 4
5 kilometers = 5000 meters
1 km = 1000 m, so multiply 1000 by 5
10 pounds = 160 ounces
1 lb. = 16 oz., so multiply 16 by 10
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If two of the angles in a triangle are
70 and 50, then the third angle must
be what?
If three of the angles in a quadrilateral
are 100, 50, and 150, then the
fourth angle must be what?
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A. 60
Remember that the sum of the interior (inside)
angles in a triangle is always 180.
B. 60.
Remember that the sum of the interior angles
in a quadrilateral is always 360.
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In the following equation, what
happens to the value of y as x
increases by 100?
y = x + 25
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As x increases by 100, y also
increases by 100.
Making a table that shows x increasing by 100
may help in solving this problem.
x
y
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0
25
100
125
200
225
300
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Match each situation with the graph that is
most appropriate (bar, circle, or line).
1. Percent of students voting for a favorite
color
2. Change in temperature each day for a
month
3. Number of students who take each bus
to school
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1. Percent of students voting for a favorite
color would be best on a circle graph.
Circle graphs are good for percents or comparing parts to
the whole.
2. Change in temperature each day for a
month would be best on a line graph.
Line graphs are good for showing something changing
over time.
3. Number of students who take each bus to
school would be best on a bar graph.
Bar graphs are good for comparing different categories.
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Round each of the following
fractions to the nearest ½, then
estimate the sum.
7/8 + 4/9 + 3/5 =
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7/8  1
4/9  ½
3/5  ½
1+½+½=2
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The length of each side of the
rectangle is 6 in. and the height
is 5 in. Find the perimeter and
area.
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The perimeter is the distance around
the sides of a shape so it is
6 + 6 + 6 + 6 or
6 x 4 = 24 in.
The area of a parallelogram is
base x height so it is
6 x 5 = 30 in.²
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Explain what it means for two shapes
to be congruent.
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Shapes that are congruent are the same
size and same shape.
This also means that their corresponding
angles and sides are equal.
For example, the triangles below have
equal angles and side lengths, so they
are congruent.
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Match each example with the property it
represents (associative, commutative,
distributive, or identity).
A. 3 x 1 = 3
B. 2 x (5 x 7) = (2 x 5) x 7
C. 8 + 6 + 12 = 12 + 8 + 6
D. 3(5+4) = (3 x 5) + (3 x 4)
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A. 3 x 1 = 3
identity
B. 2 x (5 x 7) = (2 x 5) x 7 associative
C. 8 + 6 + 12 = 12 + 8 + 6 commutative
D. 3(5+4) = (3 x 5)+(3 x 4) distributive
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At a restaurant, you can either order a
ham, turkey, peanut butter, or grilled
cheese sandwich. You can order either
soda, milk, tea, or water to drink. How
many different combinations of sandwich
and drink are there?
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Make an organized list.
HS, HM, HT, HW
TS, TM, TT, TW
PS, PM, PT, PW
GS, GM, GT, GW
There are 16 different combinations you can
choose from.
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When finding an equivalent
fraction, you must multiply
or divide the fraction by
some form of one. Explain
what this means.
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You must multiply by some form
of one means that you must
multiply or divide both the
numerator and denominator by
the same number in order for
the new fraction to be equal to
the original one.
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Describe how to find the perimeter
of a triangle.
What is the formula for the area of
a triangle?
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To find the perimeter of a triangle you
add the lengths of its sides.
To find the area of a triangle you
multiply the base by the height then
divide by two, as shown in the
formula below.
A= ½ (b x h) = (b x h)  2
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A circle has a radius of 2 meters.
What is the diameter?
What is an estimate of the
circumference?
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The radius is half way across the circle.
The diameter is all the way across, so it
is twice as long as the radius.
Diameter = 4 m
The circumference is the distance around
the circle and can be found by
multiplying the diameter by  (which
can be rounded to 3).
Circumference  12 m
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I paid $4 to rent a movie but had to
pay $2 for every day it was late being
returned. It cost me a total of $10 for
the movie. What equation can I use to
find the number of days late (n) the
movie was? How many days late was
it?
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$4 + $2n = $10
n = 3 days
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In Class A, there are 16 boys and 9
girls. In Class B, there are 13 boys
and 7 girls. If the teachers call on
students at random, in which class will
there be a greater probability of a girl
being called on?
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A girl being called on in Class A has a
probability of 9/25.
A girl being called on in Class B has a
probability of 7/20.
9/25 = 36/100 = 36%
7/20 = 35/100 = 35%
Therefore 9/25 > 7/20 and a girl in Class A is
more likely to be called on.
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