Chapter 2: Tens and Ones
Grouping numbers into bundles and houses.
Tens and Ones 🏠
Numbers live in houses! Let's meet the Tens family and the Ones family.
📦
1 Bundle = 1 Ten
A bundle has 10 sticks inside.
✏️
1 Stick = 1 One
Just a single loose stick.
Let's make the number 42
📦 📦 📦 📦
4 Tens (40)
+
✏️ ✏️
2 Ones (2)
=
42
| Number | Tens (📦) | Ones (✏️) | Expanded Form |
|---|---|---|---|
| 25 | 2 | 5 | 20 + 5 |
| 38 | 3 | 8 | 30 + 8 |
| 99 | 9 | 9 | 90 + 9 |