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.)

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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