# Cargo Filling — Document 1

Addition crossing the tens boundary. 3 pages, 6 cards per page, 18 problems total.
Difficulty progression: easy → medium → hard.

## Page 1 — Easy (A=8,9)

Hero: splitter3 (right), Footer: cabin1

| # | A | B | N=10-A | M=B-N | C=A+B | Asteroid img | Cargo bay img |
|---|---|---|--------|-------|-------|--------------|---------------|
| 1 | 8 | 3 | 2 | 1 | 11 | asteroid1 | cargo-bay1 |
| 2 | 9 | 4 | 1 | 3 | 13 | asteroid2 | cargo-bay2 |
| 3 | 8 | 5 | 2 | 3 | 13 | asteroid3 | cargo-bay3 |
| 4 | 9 | 6 | 1 | 5 | 15 | asteroid4 | cargo-bay1 |
| 5 | 8 | 7 | 2 | 5 | 15 | asteroid5 | cargo-bay2 |
| 6 | 9 | 8 | 1 | 7 | 17 | asteroid6 | cargo-bay3 |

## Page 2 — Medium (A=5,6,7)

Hero: splitter6 (left), Footer: cabin3

| # | A | B | N=10-A | M=B-N | C=A+B | Asteroid img | Cargo bay img |
|---|---|---|--------|-------|-------|--------------|---------------|
| 1 | 7 | 4 | 3 | 1 | 11 | asteroid7 | cargo-bay4 |
| 2 | 6 | 5 | 4 | 1 | 11 | asteroid8 | cargo-bay5 |
| 3 | 7 | 6 | 3 | 3 | 13 | asteroid9 | cargo-bay6 |
| 4 | 5 | 7 | 5 | 2 | 12 | asteroid10 | cargo-bay4 |
| 5 | 6 | 8 | 4 | 4 | 14 | asteroid11 | cargo-bay5 |
| 6 | 7 | 9 | 3 | 6 | 16 | asteroid12 | cargo-bay6 |

## Page 3 — Hard (A=2,3,4)

Hero: splitter9 (right), Footer: cabin5

| # | A | B | N=10-A | M=B-N | C=A+B | Asteroid img | Cargo bay img |
|---|---|---|--------|-------|-------|--------------|---------------|
| 1 | 4 | 7 | 6 | 1 | 11 | asteroid13 | cargo-bay7 |
| 2 | 3 | 8 | 7 | 1 | 11 | asteroid14 | cargo-bay8 |
| 3 | 4 | 8 | 6 | 2 | 12 | asteroid15 | cargo-bay9 |
| 4 | 3 | 9 | 7 | 2 | 12 | asteroid16 | cargo-bay7 |
| 5 | 4 | 9 | 6 | 3 | 13 | asteroid1 | cargo-bay8 |
| 6 | 2 | 9 | 8 | 1 | 11 | asteroid2 | cargo-bay9 |

## Hero Orientation

- Page 1: splitter3, right side (`flex-row-reverse`)
- Page 2: splitter6, left side (default `flex-row`)
- Page 3: splitter9, right side (`flex-row-reverse`)

## Footer Images

- Page 1: cabin1.jpeg
- Page 2: cabin3.jpeg
- Page 3: cabin5.jpeg