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3.N.1.3; 3.N.2.3 Addition and Subtraction

Epic Charter Schools

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3.N.1.3

Find 10,000 more or 10,000 less than a given five-digit number. Find 1,000 more or 1,000 less than a given four- or five-digit number. Find 100 more or 100 less than a given four- or five-digit number.

What is 10,000 more than 54,679?

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Place Values

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Numbers are divided into periods.

These periods are separated by commas.

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6 of 28

4 2 0, 2 1 3

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4 2 0, 2 1 3

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Adding 100’s, 1,000’s and 10,000’s

If you add 100 what is the answer?

19,240 + 100 =19340

If you add 1000, what will you have?

19,240 + 1000 20240

19240

100

1

19240

1000

20240

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19,240 ( The previous problem will be worked out here) add 100

1

9

2

4

0

+

1

0

0

0

4

0

1

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19,240 ( The previous problem will be worked out here) subtract 100

1

9

2

4

0

-

1

0

0

0

1

8

2

4

0

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Adding 100’s, 1,000’s and 10,000’s

If you take 1000 away what is left?

46,895

If you add 1000, what will you have?

46,895

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46,895 ( The previous problem will be worked out here) add 1,000

4

6

8

9

5

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46,895 ( The previous problem will be worked out here) subtract 1,000

4

6

8

9

5

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Adding 100’s, 1,000’s and 10,000’s

If you take 1000 away what is left?

65,329

If you add 1000, what will you have?

65,329

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65329 ( The previous problem will be worked out here) add 10,000

6

5

3

2

9

+

1

0

0

0

0

7

5

3

2

9

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65329 ( The previous problem will be worked out here) subtract 10,000

6

5

3

2

9

-

1

0

0

0

0

5

5

3

2

9

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Adding Three Digit and Four Digit Numbers.

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Adding Three and Four Digit Numbers

6

3

2

+

2

4

4

8

7

6

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632

244

+

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Adding Three and Four Digit Numbers

9

5

5

+

2

2

3

1

1

7

8

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Adding Three and Four Digit Numbers

8

9

6

+

2

3

4

1

1

3

0

1

1

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562

632

+

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Adding Three Digit and Four Digit Numbers.

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Subtracting Three and Four Digit Numbers.

5

8

2

-

3

5

1

2

3

1

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Subtracting Three and Four Digit Numbers.

8

2

10

-

5

1

6

3

0

4

1

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821

800 + 20 + 1

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Subtracting Three and Four Digit Numbers.

4

8

2

1

-

5

1

6

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