| 1 a. |
2600 – 1100 = _________
|
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| 1 b. |
6400 – 3800 = _________
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| 2 a. |
6700 – 1800 = _________
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| 2 b. |
8800 – 3300 = _________
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| 3 a. |
6300 – 4000 = _________
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| 3 b. |
4100 – 3800 = _________
|
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| 4 a. |
4500 – 4400 = _________
|
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| 4 b. |
4300 – 2900 = _________
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| 5 a. |
7400 – 6800 = _________
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| 5 b. |
9500 – 2100 = _________
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| 6 a. |
9000 – 5400 = _________
|
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| 6 b. |
5400 – 2900 = _________
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| 7 a. |
10000 – 2300 = _________
|
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| 7 b. |
6100 – 3600 = _________
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| 8 a. |
7700 – 6800 = _________
|
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| 8 b. |
4700 – 3700 = _________
|
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| 9 a. |
6400 – 1300 = _________
|
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| 9 b. |
2800 – 1800 = _________
|
|