Post on 14-Dec-2015
Jeopardy!
Chapter 4 Math Review
JeopardyFinal
Jeopardy
JeopardyDivisibility
RulesExponents &
Prime Factorization
Fractions & Mixed
Numbers
GCF & LCM Decimals & Comparing Fractions
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
DoubleJeopardy
What are the divisibility rules for 2, 5, & 10?
10 points
Answer
Answer
• A number is divisible by 2 if the last digit is an even number (2,4 ,6, 8, or 0).
• A number is divisible by 5 if the last digit is 5 or 0.
• A number is divisible by 10 is the last digit is 0.
10 points
Is 57 divisible by 2, 5, 10, 3, 6, or 9?
20 points
Answer
Answer• 57 is only divisible by 3.
20 points
572 no5 no10 no3 5+7=12 yes6 no9 5+7=12 no
Is 2,187 divisible by 9?
30 points
Answer
Answer
•Yes 2+1+8+7=18 yes
30 points
Is 1,956 divisible by 2, 5, 10, 3, 6, or 9?
40 points
Answer
Answer
• 1,956 is divisible by 2, 3, and 6.
40 points
1,9562 yes5 no10 no3 1+9+5+6=21 yes6 yes9 1+9+5+6=21 no
How much would you like to wager?
Is 202,470 divisible by 2, 5, 10, 3, 6, or 9?
Answer
Answer• 202,470 is divisible by 2,5,10,3,and
6.202,470
2 yes5 yes10 yes32+0+2+4+7+0=15 yes6 yes9 2+0+2+4+7+0=15 no
Write this expression using exponents AND in standard form.
3 x 3 x 3 x 3
10 points
Answer
Answer
34
3x3x3x3= 81 9 x 9
10 points
Use the Order of Operations to Simplify
23 – 6 ÷ 3
20 points
Answer
Answer
23 – 6 ÷ 3
8 – 6 ÷ 3
8 – 2
6
20 points
Find the prime factorization of 28.
30 points
Answer
Answer28
2 14
2 7
2x2x7=2822 x 7=28
30 points
Simplify the expression (15-1) - 32
40 points
Answer
Answer
(15-1) - 32
14 - 32
14 - 9
540 points
50 points
Answer
Find the prime factorization of
540.
Answer540
54 10 6 9 2 5
2 3 3 32x2x3x3x3x5=540
22x33x5=540
50 points
Name 2 equivalent fractions for
10 points
Answer
5
20
Answer
10 points
5 5 1
20 5 4
5 3 15
20 3 60
Only way to divide.
Can multiply by any number.
Rewrite as an improper fraction.
20 points
Answer
24
3
Answer
20 points
2 144
3 3
x
=12+
Write as a mixed number.
30 points
Answer
58
6
Answer
30 points
58 4 2 29 9
6 6 2 3
9 46 58R
Write as an improper fraction.
40 points
Answer
18
5
Answer
40 points
1 418
5 5
x=
40+
List two equivalent fractions for
50 points
Answer
2
9
Answer
50 points
2 2 4
9 2 18
2 5 10
9 5 45
Can multiply by any number.
Find the greatest common factor of 18 and 28.
10 points
Answer
Answer
18 28
1 x 18 1 x 28 2 x 9 2 x 14 3 x 6 4 x 7
GCF = 210 points
Find the least common multiple of 12 and 22
20 points
Answer
Answer
M 12: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132
M 22: 22, 44, 66, 88, 110, 132
LCM = 132
20 points
Find the greatest common factor of 18, 27, and 36
30 points
Answer
Answer 18 27 36 1 x 18 1 x 27 1 x 362 x 9 3 x 9 2 x 133 x 6 3 x 12
4 x 9GCF = 9 6 x 6
30 points
Find the least common multiple of 4, 5 and 8
40 points
Answer
Answer
M4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
M 5: 5, 10, 15, 2 0, 25, 30, 35, 40
M8: 8, 16, 24, 32, 40
LCM= 4040 points
Find the greatest common factor of 32 and 48
50 points
Answer
Answer
32 48
1 x 32 1 X 482 X 16 2 x 244 x 8 3 x 16
4 x 126 x 8
GCF= 16 50 points
Order from least to greatest
10 points
Answer
1 1 1, ,
4 2 6
Answer
10 points
1 3 3
4 3 121 6 6
2 6 121 2 2
6 2 12
Middle
Greatest
Least
Write as a decimal.
20 points
Answer
3
16
Answer
20 points
0.187516 3.0000
Order least to greatest
30 points
Answer
4 1 22 ,2 ,2
15 3 5
Answer
30 points
4 1 22 ,2 ,2
15 3 5
42
151 5 5
2 23 5 152 3 6
2 25 3 15
Least
Middle
Greatest
Write as a fraction.
0.06
40 points
Answer
Answer
40 points
6 2 3
100 2 50
Write as a fraction4.52
50 points
Answer
Answer
50 points
52 2 26 2 134 4 4
100 2 50 2 25
Final Jeopardy Category
Prime Numbers
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Final Jeopardy Question
List the first ten prime numbers (in order).
Answer
Final Jeopardy Answer
2, 3, 5, 7, 11, 13, 17, 19, 23, 29