Surds+1+number+sets.+simplify+surds
- 2. Surds By the end of the lesson you should be able to: • Distinguish between the different sets of numbers. • Simplify expressions involving surds. • Rationalise fractions with surds in the denominator. Title: Mar 304:08 p.m. (2 of 25)
- 3. Sets of numbers = {1, 2, 3, 4,...} Natural numbers = {...,2,1,0 , 1 ,2 ,3,...} Integer numbers = {any number that can be expressed as a fraction} Rational numbers 0.2 50 terminating decimals whole recurring decimals numbers fractions Title: Mar 304:08 p.m. (3 of 25)
- 4. Irrational numbers: cannot be expressed as fractions π 4.01001000100001... = ∪ {Irrationals} Real numbers Title: Mar 304:08 p.m. (4 of 25)
- 6. Circle the irrational numbers: 1.3 Title: Mar 304:08 p.m. (6 of 25)
- 8. n = 3 Ring any of these which are rational when Title: Mar 304:08 p.m. (8 of 25)
- 9. When a root cannot be found exactly, then the root is called a surd. Surds or Radicals Title: Mar 304:08 p.m. (9 of 25)
- 12. Basic rules: If a and b are positive: Title: Mar 304:08 p.m. (12 of 25)
- 24. http://www.mymaths.co.uk/gold/Alevel/core1/indices/indices4Surds1.html Surds worksheet.doc Title: Mar 304:08 p.m. (24 of 25)
- 25. http://www.mathsbingo.com See next exercise at the end of the lesson Title: Mar 304:08 p.m. (25 of 25)
- 26. Attachments Surds worksheet.doc