JEOPARDY MATH REVIEW

COMPOSITE & PRIME

100

A composite number definition

Has more than only two factors 

200

A prime number definition

Has only 1 and itself for factors

300

Which of these numbers is composite: 23 or 25?

25

400

Which of these numbers is prime: 17 or 27

17

500

Which numbers are composite: 3, 5, 12, 15, 23?

12 and 15

600

Which numbers are prime: 5, 12, 17, 23, 24, 36?

5, 17, and 23

NEGATIVE & POSITIVE

100

A positive integer is any number on which side of the ZERO on the number line?

Right

200

A negative integer is any number on which side of ZERO on the number line?

Left

300

Which number is bigger: -37 or 37?

37

400

Which number is smaller: -1/2 or 1/2?

-1/2

500

Which number is the smallest: -2, 0, -5/10, or 2?

-2

600

Which number is the largest: 3/4, -.75, .75, 5, or -3/4

5

DECIMALS

100

When multiplying decimals, you must line up the decimals correctly: True or False

False

200

When adding or subtracting decimals, you must line up the decimals under each other: True or False

True

300

Find the sum of these decimals: 125.037 + 34.2

159.237

400

Find the difference between these two decimals: 437.8 - 15.133

422.667

500

Find the product of these two decimals: 4.5 x 13.023

58.6035

600

Find the quotient of these two decimals: 325.6 / 4

81.4

PEMDAS

100

What do these letters stand for: PEMDAS?

Parentheses, Exponent, Multiply, Divide, Add, Subtract

200

Solve this problem: 33 + (2 x 5²) =

83

300

Solve this problem: 125 - (42/6) + (10²) = 

218

400

Solve this problem: .5 + (.5² x 4²) - 3 = 

1.5

500

What is the solution to this problem: 250 + (12²) - 47 = 

347

600

Find the solution to this problem: (7² - 10) + (15 + 11²) = 

175

FRACTIONS

100

The top half of a fraction is called...

Numerator

200

The bottom half of a fraction is called...

Denominator

300

A fraction whose top number is bigger than its bottom number is a(n)...

Improper fraction

400

When adding or subtracting fractions, you must find a common...

Denominator

500

When multiplying fractions, you DO or DO NOT need a common denominator?

Do not

600

A whole number with a fraction beside it (4 1/2, 35 2/3) is called...

Mixed number

LCM / GCF

100

The Least Common Multiple (LCM) of two or more numbers is...

The smallest positive integer that can both numbers can divide (fit inside) without a remainder

200

The Greatest Common Factor (GCF) of two or more numbers is...

The largest positive integer that divides evenly (no remainders) by all of your numbers

300

The Least Common Multiple (LCM) of 2 and 3 is...

6

400

The Least Common Multiple (LCM) of 6 and 10 is...

30

500

The Greatest Common Factor (GCF) of 12 and 16 is...

4

600

The Greatest Common Factor (GCF) of 15, 30, and 105 is...

15