Algaes Ch4 Jeopardy Review

Bases

100

Convert 110₄ to base 10.

20

200

Convert 57₈ to base 10.

47

300

Convert 187 to base 5.

1222

400

Convert 87 to base 9

106

500

Convert F8₁₆ to base 10

248

Prime and Composite Numbers

100

Jorge has a prime number on his soccer jersey. Which of the following could NOT be Jorge's number?

37, 23, 15, 29

15

200

Which of the following is a PRIME NUMBER?

18, 25, 53, 51

53

300

Which number is composite?

23, 48, 31, 67

What is 48?

400

Which number is NOT prime?

24, 33, 51, 59

What is 59?

500

Meredith’s street address is a composite number less than 10 that can be formed by multiplying 2 different prime numbers. What is Meredith’s street address?

6.

2 and 3 are the only two prime numbers whose product is less than 10

(2 x 3 = 6).

LCM

100

Find the LCM of 12 and 24

24

200

Find the LCM of 8 and 20

40

300

Find the LCM of 10 and 55

110

400

Find the LCM of 26 and 32

416

500

Find the LCM of 16 and 40

80

Divisibilty

100

How do you know if a number is divisible by 2?

It ends in 0,2,4,6,8.

200

How do you know if a number is divisible by 10?

It ends with 0.

300

How do you know if a number is divisible by 3?

Add the digits and determine if the sum is a multiple of 3.

400

Is 423 divisible by 3?

Yes

4 + 2 + 3 = 9

500

What are all the numbers between 1-10 that 360 divisible by?

What is 2, 3, 5, and 10?

Prime Factorization and GCF

100

What is the prime factorization of 147?

What is 3 x 7 x 7.

200

The prime factorization, using exponents, of 164

What is 2^2 X 41. 2 X 2 X 41.

300

Find the GCF of these 12 and 18

6

400

Find the GCF of 52 and 42

2

500

Find the GCF of 108 and 48

12