Year 9 Surds

What is a surd?

• A recurring decimal

• An irrational number

• A fraction

• A rational number

Select a surd.

• √2

• √4

• √99

• √20

5√2 x 2√3

• 10√6

• 6√10

• 60

• 15√6

Simplify:
√6 x √6

• √36
• 2√3
• 12
• 6

Simplify: 
√5 x √6

• 2√15
• √11
• √30
• 3√10

Tags

CCSS.HSN.RN.A.2

Simplify:

√3 x √7

• 2√3

• √10

• √21

• 3√10

Simplify:

2√3 x 3√11

• 2√33

• 6√33

• 5√14

• 6√14

Simplify:

5√5 x 8√3

• 40√15

• 13√15

• 13√8

• 40√8

Which of these give an exact answer?

• √2

• √4

• √99

• √20

Which of the following is not a surd?

• √2

• √4

• √99

• √20