Dividing Numbers (web-based)

Dividing Numbers Prepared by Abdul Hadi

TOPIC: DIVISION ,[object Object],[object Object],[object Object],[object Object],[object Object]

Procedures ,[object Object],[object Object],[object Object],[object Object]

What is DIVISION? Mathematics = elementary arithmetic Division is an arithmetic operation which is the inverse of multiplication.

Example: 14 7 a) Sharing equally 14 ice- creams are shared equally between 7 girls.

………… in Number sentence ,[object Object]

Check answer by MULTIPLICATION ,[object Object]

Example: ,[object Object],b) Grouping

In standard written form……. ,[object Object],[object Object],[object Object],[object Object]

CLUES 1. Helena wants to __ the cookies equally among her friends. 2. Letters or symbols that stand for unknown numbers are __. 3. A set of related multiplication and division number sentences is called a __. 4. Multiplication and division are opposite, or __ operations. 5. The answer to a division problem is the __. 6. 12 ÷ 6 is an example of an __. 7. The __ is the number that is being divided in a division problem. 8. The number that divides the dividend is the __. 9. Multiply two factors to find the __. 10. Tiles arranged in rows and columns are an __. 11. When groups have the same number of items, you can __ to find out how many there are in all. 12. Numbers that you multiply are __.

WORD LIST ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Activity 2 : DIVISIBILITY RULES 5, 6 and 9

A number is divisible by: IF…… The sum of the umber’s digits is 9 9 The number is also divisible by 2 and 3 6 The number ends in 0 or 5 5

Dividing by 5 RULE: If a number ends in 0 or 5 then the number is divisible by 5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],YES 250 What is the last digit? 0

Try this number: 75 ,[object Object],5 75 -5 25 -25 0

Try this number: 362 ,[object Object],[object Object]

Dividing by 6 RULE: If a number is divisible by 2 and 3, then it is also divisible by 6 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],YES 258 Is the number divisible by 2 and 3 ?

Try this number: 127 ,[object Object],6 127 -12 17 - 12 5 remainder

Try this number: 246 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dividing by 9 RULE: If the sum of the digits is 9, then the number is divisible by 9 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],YES 225 Sum of the digits: 2+2+5=9

Link to other website ,[object Object],[object Object],[object Object],[object Object],[object Object]

Dividing Numbers (web-based)

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