3.N.1.3; 3.N.2.3 Addition and Subtraction
Epic Charter Schools
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?
Place Values
Numbers are divided into periods.
These periods are separated by commas.
4 2 0, 2 1 3
4 2 0, 2 1 3
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
19,240 ( The previous problem will be worked out here) add 100
| 1 | 9 | 2 | 4 | 0 |
+ | | 1 | 0 | 0 | 0 |
| | | | 4 | 0 |
1
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 |
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
46,895 ( The previous problem will be worked out here) add 1,000
| 4 | 6 | 8 | 9 | 5 |
| | | | | |
| | | | | |
46,895 ( The previous problem will be worked out here) subtract 1,000
| 4 | 6 | 8 | 9 | 5 |
| | | | | |
| | | | | |
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
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 |
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 |
Adding Three Digit and Four Digit Numbers.
Adding Three and Four Digit Numbers
| | | 6 | 3 | 2 |
| + | | 2 | 4 | 4 |
| | | 8 | 7 | 6 |
632
244
+
Adding Three and Four Digit Numbers
| | | 9 | 5 | 5 |
| + | | 2 | 2 | 3 |
| | 1 | 1 | 7 | 8 |
Adding Three and Four Digit Numbers
| | | 8 | 9 | 6 |
| + | | 2 | 3 | 4 |
| | 1 | 1 | 3 | 0 |
1
1
562
632
+
Adding Three Digit and Four Digit Numbers.
Subtracting Three and Four Digit Numbers.
| | | 5 | 8 | 2 |
| | - | 3 | 5 | 1 |
| | | 2 | 3 | 1 |
Subtracting Three and Four Digit Numbers.
| | | 8 | 2 | 10 |
| | - | 5 | 1 | 6 |
| | | 3 | 0 | 4 |
1
821
800 + 20 + 1
Subtracting Three and Four Digit Numbers.
| | 4 | 8 | 2 | 1 |
| - | | 5 | 1 | 6 |
| | | | | |
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