Year 9 - HCF and LCM review in teams then an indy one each

Factors

100

List all of the factors of 32.

1, 2, 4, 8, 16, and 32

200

List all of the common factors of 12 and 20.

1, 2, and 4

300

List all of the factors of 42.

1, 2, 3, 6, 7, 14, 21, 42

400

List all of the factors of 52.

1, 2, 4, 13, 26, and 52

500

List all of the common factors of 24 and 36.

1, 2, 3, 4, 6, 12

Multiples

100

List 3 multiples of 8 that are less than 50.

8, 16, 24, 32, 40, 48

200

List 3 common multiples of 2 and 6.

6, 12, 18, 24, 30, 36, 42, 48, etc.

300

List all the common multiples of 6 and 8 that are less than 50.

24 and 48

400

List 4 multiples of 7 greater than 10 but less than 50.

14, 21, 28, 35, 42, 49

500

List all the common multiples of 12 and 18 that are less than 75.

36 and 72

Highest Common Factor

100

What is the highest common factor of 12 and 15

3

200

What is the highest common factor of 24 and 20?

4

300

What is the highest factor of 16 and 36?

4

400

What is the highest common factor of 50, 35, and 15?

5

500

What is the highest common factor of 64 and 80?

16

Lowest Common Multiple

100

What is the lowest common multiple of 3 and 7?

21

200

What is the lowest common multiple of 4 and 9?

36

300

What is the lowest common multiple of 2, 3, and 5?

30

400

What is the lowest common multiple of 20 and 12?

60

500

What is the lowest common multiple of 21 and 24?

168

Characteristics of Factors and Multiples

100

What has in infinite list long of responses?

Multiple

200

What has a finite number of responses?

Factors

300

What is found on the INSIDE of a multiplication chart? 

Multiples

400

Which is always  EQUAL or SMALLER than the original number? 

Factors

500

Which is always EQUAL or LARGER than the original number?

Multiples