Composing and Decomposing Numbers

$$1,\!000 + 200 + 30 + 4$$

$$1,\!000 + 300 + 20 + 4$$

$$1,\!000 + 200 + 40 + 3$$

$$1,\!000 + 100 + 30 + 4$$

5 blocks of 100, 4 rods of 10, 2 units

4 blocks of 100, 5 rods of 10, 2 units

5 blocks of 100, 2 rods of 10, 4 units

5 blocks of 10, 4 rods of 100, 2 units

$$1,\!000 + 100 + 20 + 0$$

$$1,\!000 + 120 + 0 + 0$$

$$1,\!100 + 20 + 0 + 0$$

All of the above

$$1,\!000 + 0 + 0 + 5$$

$$1,\!000 + 5 + 0 + 0$$

$$1,\!000 + 0 + 5 + 0$$

$$1,\!000 + 50 + 0 + 0$$

$$700 + 80 + 9$$

$$700 + 90 + 8$$

$$800 + 70 + 9$$

$$700 + 89 + 0$$

1 thousand block, 2 hundred blocks, 0 ten rods, 3 unit cubes

1 thousand block, 0 hundred blocks, 2 ten rods, 3 unit cubes

1 thousand block, 2 hundred blocks, 3 ten rods, 0 unit cubes

1 thousand block, 3 hundred blocks, 2 ten rods, 0 unit cubes

$$1,\!000 + 100 + 10 + 1$$

$$1,\!000 + 110 + 1 + 0$$

$$1,\!000 + 111 + 0 + 0$$

All of the above

$$876$$

$$786$$

$$867$$

$$768$$

$$1,\!000 + 50 + 0 + 0$$

$$1,\!000 + 0 + 50 + 0$$

$$1,\!000 + 5 + 0 + 0$$

$$1,\!000 + 40 + 10 + 0$$

$$1,\!215$$

$$1,\!125$$

$$1,\!251$$

$$1,\!152$$