Year 7 Number Jeopardy

Highest Common Factor

100

What is the HCF of 15 and 25?

5

200

What is the HCF of 15 and 60?

15

300

What is the HCF of 48 and 72?

24

400

What is the HCF of 6, 15 and 42?

3

500

What is the HCF of 18, 13 and 21?

1

Lowest Common Multiple

100

What is the LCM of 4 and 6?

12

200

What is the LCM of 6 and 9?

18 

300

What is the LCM of 12 and 18?

36

400

What is the LCM of 3, 5 and 9?

45

500

What is the LCM of 3, 4 and 7?

84

Square Numbers

100

9² + 3² = 

90

200

13² =

169

300

10² - 8² - 6² =

0

400

17² =

289

500

21² =

441

Prime Numbers

100

Is 9 a prime number?

No

200

List the first 5 prime numbers?

2, 3, 5, 7, 11

300

How many prime numbers are there between 1 and 144?

34

400

List the prime numbers between 40 and 50

41, 43 and 47

500

List all the prime numbers between 80 and 100.

83, 89 and 97

Random

100

What date do we finish school this term?

1st July

200

What team is currently on top of the AFL ladder?

Brisbane Lions

300

How old is the Queen?

96

400

What is the target number of push ups in the push up challenge we recently completed in mentor?

3139

500

What is Trigonometry the study of?

Triangles