Simplify surds (radicals)
9th grade (Year 10 in England) · 16 questions · Common Core: HSN.RN.A.2 · England: GCSE Higher Number
Name
Date
Score/ 16
Question 1
Simplify √343. It can be written as k√7. What is k?
Answer
Question 2
Simplify √8 + √32. Write it as k√2; what is k?
Answer
Question 3
Simplify √54. It can be written as k√6. What is k?
Answer
Question 4
Work out √8 × √32.
Answer
Question 5
Simplify √245. It can be written as k√5. What is k?
Answer
Question 6
Work out √20 × √80.
Answer
Question 7
Simplify √294. It can be written as k√6. What is k?
Answer
Question 8
Simplify √45 + √45. Write it as k√5; what is k?
Answer
Question 9
Simplify √18. It can be written as k√2. What is k?
Answer
Question 10
Simplify √80 + √80. Write it as k√5; what is k?
Answer
Question 11
Simplify √180. It can be written as k√5. What is k?
Answer
Question 12
Simplify √18 + √32. Write it as k√2; what is k?
Answer
Question 13
Simplify √27. It can be written as k√3. What is k?
Answer
Question 14
Work out √12 × √3.
Answer
Question 15
Simplify √96. It can be written as k√6. What is k?
Answer
Question 16
Work out √45 × √5.
Answer
All done? Color in the animal! · Free from eurekami.com/math