Trigonomatry-2
Right angled triangle identity: In trigonometry, the most widely used triangle is Right Angled triangle. There are a number of formulas or identities related to right angled triangles, which we will learn about 'Pythagoras Theorem’ in this lesson.
Division (Word problems)-1G5
This worksheet is based on division word problems for grade 5, check this out:
Division-WS1G5
This worksheet is based on dividing 3-digits numbers with 1-digit number for grade 5, check this page:
Least Common Multiple (LCM)- Lesson
LCM is the smallest factor which is common in the given numbers or the smallest common number which can be divided with all the given numbers completely. 
Example: LCM of 4 and 8
8 is the least common multiple of 4 and 8
Greatest Common Factor (GCF)- Lesson
GCF the greatest common factor among all the given numbers or the greatest factor which divides all the given numbers completely (zero remainder).
Rules to find GCF :
(1) Factor method: follow the steps given below:
Step1: find all the factors of given numbers. (To know how to find factors, Click here.)
Step 2: Identify the greatest common factors.
Exponents- Lesson
‘Exponent’ is a number which tells us that “how many times a number is multiplied with itself” or Exponent represents the process of repeated multiplication. The exponent is also called ‘power’ and the number being multiplies is called the ‘base’.