| Unit | What They'll Learn |
|---|---|
| Unit-2 | Subtracting with 2 |
| Unit-3 | Subtracting with 3 |
| Unit-4 | Subtracting with 4 |
| Unit-5 | Subtracting with 5 |
| Unit-6 | Subtracting with 6 and 7 |
| Unit-7 | Subtracting with 8 and 9 |
| Unit-8 | Subtracting 0-9 Randomly |
| Unit-9 | Subtracting 0-10 from Numbers up to 30 |
| Unit-10 | Subtracting 0-12 from Numbers up to 30 |
| Unit-11 | Subtracting 0-14 from Numbers up to 30 |
| Unit-12 | Subtracting 0-16 from Numbers up to 30 |
| Unit-13 | Subtracting 0-17 from Numbers up to 30 |
| Unit-14 | Subtracting 0-18 from Numbers up to 30 |
| Unit-15 | Subtracting 0-19 from Numbers up to 30 |
| Unit-16 | Subtracting 0-20 from Numbers up to 30 |
| Unit-17 | Subtracting 1 Digit Numbers in Vertical Form |
| Unit-18 | Subtracting 1 or 2 Digit Numbers from 2 Digit Numbers |
| Unit-19 | Subtracting 2 Digit Numbers from 2 Digit Numbers |
| Unit-20 | Subtracting Tens from Hundreds |
| Unit-21 | Subtracting 3 Digit Numbers from 3 Digit Numbers |
| Unit-22 | Subtracting 2 or 3 Digit Numbers from 3 Digit Numbers |
| Unit-23 | Subtracting Numbers Ending in 0 or with a 0 in the Middle |
| Unit-24 | More Problems on Subtraction |
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