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

How much would you like to wager?

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