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math is fun
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Math is fun
Today we are going to study a very interesting
concept
Separate four coins and place them as a group on the table. Repeat this until all the coins
are in separate groups.
This is division
Division • Division is splitting into equal parts or groups.
• We use the symbol, or sometimes the symbol to divide.
Example: 4 2 or 4 / 2 or 4 2
Symbols
Terminologies
Dividend:The amount that you want to divide is called “ dividend”. Divisor:The “divisor” is the number that the dividend will be divided by.Example:
10 5
The left over is called Remainder.
sometimes we cannot divide things up evenly ... there may be something left over.
Example: There are 7 bones to share with 2 pups.But 7 cannot be divided exactly into 2 groups,
so each pup gets 3 bones, but there will be 1 left over:
Remainder
Quotient
The answer after you divide one number by another
i-e dividend ÷ divisor = quotient
Example: in 12 ÷ 4 = 3 3 is the quotient
example
quotient 5
divisor 3 16 dividend 15 1 remainder
How to identify division word problem
• Divide evenly• Cut• Split• Share• Each• Every • Average • Equal pieces• Out of• Ratio• Quotient
Mandy has 36 cookies and she wants to share them with her
friends 6 friends. How many cookies will each friend receive.
The key words here are share and each because they both refer to
division.
Strategies
•Addition•Subtraction•Simple division method•Symbols or drawings
Strategy no. 1
• Add the divisor until you get the dividend digit• Example• 24 3 • 3 3+3 = 6 6+3 = 9 9+3 = 12 12+3 = 15 15+3 = 18 18+3 = 21 21+3
= 24• So 8 is the answer.
Strategy no. 2
• Subtract the divisor from the dividend unless you get zero. The number of times you have subtracted is the answer to your question• Example 16 2• 16-2 = 14 14-2 = 12 12-2= 10 10-2 = 8 8-2 = 6 6-2 = 4 4-2 = 2 2-2
= 0• 8 is the answer. 8 2 16 16 x
Strategy no. 3
• 124 2
62 2 124 12 x 4 4 x
Strategy no. 4
Ali has 6 pieces of pizza. He wants to share it with Aliya. How many pieces of each of them will get?Total pieces = 6We will share one by one such as
So each of them gets 3 pieces of pizza.
Practice it on your own
1. 24/32. 45/93. 49/74. 84/45. 135/36. 215/57. 48/6
1. There are 2 students in the class and 16 marbles. If the marbles are divided equally among the students, how many does each student get?
2. There are 5 students in the class and 25 eggs. If the eggs are divided equally among the students, how many does each student get?
3. There are 36 bananas in Diane's banana collection. If the bananas are organized into 6 groups, how big is each group?
4. There are 10 students in the class and 90 eggs. If the eggs are divided equally among the students, how many does each student get?
5. There are 7 students in the class and 63 tickets. If the tickets are divided equally among the students, how many does each student get?
6. Albert has 35 oranges stored in boxes. If the are 7 boxes, how many oranges must go in each box?
7. There are 4 students in the class and 4 eggs. If the eggs are divided equally among the students, how many does each student get?
8. Alice wants to split a collection of stickers into groups of 70. Alice has 6440 stickers. How many groups will be created?
9. Howard has 6984 bananas stored in boxes. If the are 72 boxes, how many bananas must go in each box?