T1 W6 Yr7

What is the smallest prime number?

• 1

• 2

• 3

Which of the following are the prime factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 3

• 2, 3

What are the missing factors?

• 2 and 3

• 3 and 6

• 3 and 3

• 1 and 9

Use a factor tree to find the prime factorisation of 168

Find the prime factorization of 60

• 5 x 12

• 2 x 3² x 5

• 2² x 3 x 5

• 2⁷

Find the prime factorization of 30

• 2² x 5 x 7

• 2 x 3²

• 2 x 3 x 7

• 2 x 3 x 5

Find the prime factorization of 81

• 2² x 7

• 2³ x 5 x 7

• 4³

• 3⁴

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Square roots are the opposite of ____________.

• Cube Roots
• Squaring
• Multiplication
• Absolute Value

Evaluate

√36

• 6

• 8

• 18

• -18