Place Value: Ones, Tens, Hundreds

Description

Introduces the concept of place value using visual blocks.
A single small square represents 1 (ones), a row of 10 squares represents 10 (tens),
and a 10×10 grid represents 100 (hundreds). The number 234 is built step-by-step.

---

Phases

#	Phase Name	Duration	Description
1	Title card	3 s	Title "Place Value" fades in
2	Introduce Ones	5 s	Show one small square; label "Ones (1)"
3	Introduce Tens	5 s	Show a row of 10 squares; label "Tens (10)"
4	Introduce Hundreds	5 s	Show 10×10 grid; label "Hundreds (100)"
5	Build 234 – Hundreds	6 s	Two hundred-blocks animate into position; "2 hundreds"
6	Build 234 – Tens	6 s	Three ten-blocks appear; "3 tens"
7	Build 234 – Ones	5 s	Four one-blocks appear; "4 ones"
8	Show full number	5 s	Equation "200 + 30 + 4 = 234" shown; fade out

---

Layout

+--------------------------------------------------+
|        Place Value: Ones, Tens, Hundreds         |
|                                                  |
|  [Hundreds]    [Tens]      [Ones]                |
|  [■■■■■■■■■■]  [■■■■■■■■■■] [■]                 |
|  [■■■■■■■■■■]  [■■■■■■■■■■] [■]                 |
|  ...           ...           [■]                 |
|                               [■]                |
|                                                  |
|  200    +    30    +    4  =  234                |
+--------------------------------------------------+

Area Descriptions

Area	Content	Notes
Top banner	Title	Large yellow text
Left column	Hundreds blocks (10×10 grids)	Blue filled squares
Middle column	Tens blocks (1×10 rows)	Green filled squares
Right column	Ones blocks (single squares)	Orange filled squares
Bottom	Place value equation	Bright yellow MathTex

---

Assets & Dependencies

• Fonts: LaTeX (MathTex), Manim default (Text)
• Colors: YELLOW (title/equation), BLUE (hundreds), GREEN (tens), ORANGE (ones)
• Background: #1a1a2e
• Manim version: ManimCE 0.19.1

---

Notes

• Blocks are Square objects sized 0.18 with small gaps.
• Hundred-block: 10×10 grid of small squares grouped in VGroup.
• Ten-block: 1×10 row of squares.
• One-block: single square.
• Blocks fly in from off-screen with FadeIn + shift.