Addition of 10, 100 and 1000

Here we will learn Addition of 10, 100 and 1000 with the help of different examples.

I. Adding 10:

For example, 647 + 10

Identify the tens in 6 4 7.

It is 4 tens.

Add 4 tens and 1 ten.               4 tens + 1 ten = 5 tens

Write 5 in the tens place keeping other digits same.

So, 647 + 10 = 657

II. Adding 100:

For example, 9425 + 100

Identify the hundreds place in 9425.

It is 4 hundreds.

Add 4 hundreds + 1 hundred = 5 hundreds

Write 5 in the hundreds place keeping other digits same.

So, 9425 + 100 = 9525 

III. Adding 1000:

For example, 6937 + 1000

Identify the thousands in 6937. 

It is 6 thousands.

Add, 6 thousands + 1 thousand = 7 thousands

Write 7 in the thousands place keeping other digits same.

So, 6937 + 1000 = 7937

REMEMBER:

Multiplies of 10, 100 and 1000 can also be added in the same way.

Worksheet on Addition of 10, 100 and 1000:

I. Add the following:

One has been done for you.

(ii) 957 + 10 = __________

(iii) 1219 + 30 = __________

(iv) 2138 + 50 = __________

(v) 1331 + 300 = __________

(vi) 417 + 400 = __________

(vii) 8314 + 100 = __________

(viii) 8479 + 200 = __________

(ix) 2357 + 3000 = __________

(x) 3117 + 4000 = __________

Answer:

I. (ii) 967

(iii) 1249

(iv) 2188

(v) 1631

(vi) 817

(vii) 8414

(viii) 8679

(ix) 5357

(x) 7117

3rd Grade Math Lessons

From Addition of 10, 100 and 1000 to HOE PAGE

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