Dividing Numbers

In dividing numbers we will learn division by 20, 30, 40, …………………, 90, etc.

For examples:

1. Divide 80 ÷ 20

Solution:

80 ÷ 20 = 80 ÷ (2 x 10) = 80 ÷ 2 ÷ 10

We divide 80 by 2 and then the obtained quotient is divided by 10.

Dividing Numbers









So, final quotient = 4

Thus, the quotient = 4


2. Divide 60 ÷ 30

Solution: 

60 ÷ 30 = 60 ÷ (3 x 10) = 60 ÷ 3 ÷ 10

We divide 60 by 3 and then the obtained quotient is divided by 10.

Learn Division by 20, 30, 40








So, final quotient = 2

Thus, the quotient = 2



3. Divide 240 by 40

Solution:

240 ÷ 40 = 240 ÷ (4 x 10) = 240 ÷ 4 ÷ 10

We divide 240 by 4 and then the obtained quotient is divided by 10.

dividend is completely divisible by diviso








So, final quotient = 6,

Thus, the quotient = 6


4. 320 ÷ 80

Solution:

320 ÷ (8 x 10)

Completely Divisible





So, quotient = 4



(Note: This method is applicable only when dividend is completely divisible by divisor.)

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Related Concept

Addition

Word Problems on Addition

Subtraction

Check for Subtraction and Addition

Word Problems Involving Addition and Subtraction

Estimating Sums and Differences

Find the Missing Digits

Multiplication

Multiply a Number by a 2-Digit Number

Multiplication of a Number by a 3-Digit Number

Multiply a Number

Estimating Products

Word Problems on Multiplication

Multiplication and Division

Terms Used in Division

Division of Two-Digit by a One-Digit Numbers

Division of Four-Digit by a One-Digit Numbers

Division by 10 and 100 and 1000

Dividing Numbers

Estimating the Quotient

Division by Two-Digit Numbers

Word Problems on Division





4th Grade Math Activities

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