Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping



Multiplication is the process of repeated addition. The result of multiplication is called product.

For example: 3 x 5 = 5 + 5 +5 = 15

Multiplication is a commutative operation, that is, changing the order of the numbers does not affect the product.

For example, 6 x 3 = 18 is the same with       3 x 6 = 18.

 

This Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping can be used for teaching three digit or four digit numbers without regrouping too.

Example: 214 x 12 

 

2

1

4

x

 

1

2

 

 

 

 

 

1. Multiply 214 x 2

 

 

2

1

4

 

x

 

 

2

 

 

 

 

8

(4 ones x 2 = 8 ones)

 

 

2

0

(1 tens x 2 = 2 tens)

 

4

0

0

(2 hundreds x 2 = 4 hundreds)

 

4

2

8

 

 

Calculation:

  Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping

 

Multiply 214 by 1 tens

 

 

2

1

4

 

x

 

 

1

Tens

 

 

 

4

Tens

 

 

1

0

Tens

 

2

0

0

Tens

 

2

1

4

Tens

=

2

1

4

0

 

Calculation:

  Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping

 

3. Add the two products

 

 

 

4

2

8

 

x

2

1

4

0

 

 

2

5

6

8

(answer)

 

 

Shortcuts

 

Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping

 

 

Simplify

 

Learning Simple Multiplication Three Digit Numbers With Two Digit Number Without Regrouping

 

So, let the kids consider to have

 

4 x 20

4 x 2 tens = 8 tens or 80

 

30 x 20

30 x 2 tens = 60 tens or 600

 

200 x 20

200 x 2 tens = 400 tens or 4000

 

In mathematics, multiplication is one of four main operations in elementary arithmetic, and most people learn basic multiplication algorithms in elementary school. The inverse of multiplication is division.


Related posts:

  1. How To Teach Multiplication Four Digit Numbers With 1000
  2. How To Multiply Three Digit Numbers With 100
  3. Printable Multiplication Problem for 3 Digit Numbers
  4. free 2 digit numbers subtraction with regrouping
  5. Kids Learning Multiplication Lesson

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