Worksheet for practicing four ways to write a number: words, expanded form, and visual representation.

You're working on a math worksheet titled “4 ways to write a number”, which helps students understand place value by expressing numbers in four different forms:

1. Number (the numeral itself)
2. Words (spelling out the number)
3. Expanded form (breaking the number into tens and ones, e.g., 40 + 2)
4. Picture (visual representation using base-ten blocks — rods for tens, cubes for ones)

Let’s fill in the chart step by step.

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🔢 Row 1: Number = 42

- Words: *forty-two*
- Expanded form: 40 + 2 → So, “___ tens ___ ones” → 4 tens 2 ones
- Picture: Already shown — 4 rods (tens) and 2 cubes (ones) ✔

✔ Filled:
> 4 tens
> 2 ones
> 40 + 2

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🔢 Row 2: Expanded form given = 50 + 9

- That means: 5 tens and 9 ones → Number = 59
- Words: *fifty-nine*
- Picture: Draw 5 rods (for 50) and 9 small cubes (for 9)

✔ Filled:
> Number: 59
> Words: fifty-nine
> Expanded form: 50 + 9 (already given)
> Picture: [Draw 5 rods and 9 cubes]

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🔢 Row 3: Words = 2 tens 4 ones

- That means: 20 + 4 = Number = 24
- Words: *twenty-four*
- Expanded form: 20 + 4
- Picture: Draw 2 rods and 4 cubes

✔ Filled:
> Number: 24
> Words: twenty-four
> Expanded form: 20 + 4
> Picture: [Draw 2 rods and 4 cubes]

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🔢 Row 4: Number = 78

- Words: *seventy-eight*
- Expanded form: 70 + 8 → 7 tens 8 ones
- Picture: Draw 7 rods and 8 cubes

✔ Filled:
> Words: seventy-eight
> Expanded form: 70 + 8
> Picture: [Draw 7 rods and 8 cubes]

*(Note: The worksheet already has “8 tens 3 ones” written under 78 — that’s a mistake! 8 tens 3 ones = 83, not 78. We correct it to 7 tens 8 ones.)*

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🧠 Final Answer Summary:

| Number | Words | Expanded Form | Picture |
|--------|---------------|---------------|-----------------------------|
| 42 | forty-two | 40 + 2 | 4 rods, 2 cubes |
| 59 | fifty-nine | 50 + 9 | 5 rods, 9 cubes |
| 24 | twenty-four | 20 + 4 | 2 rods, 4 cubes |
| 78 | seventy-eight | 70 + 8 | 7 rods, 8 cubes |

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✔ Important Note: The worksheet has an error under 78 — it says “8 tens 3 ones”, which equals 83. That’s incorrect. You should correct it to 7 tens 8 ones to match 78.

This activity reinforces place value understanding — crucial for addition, subtraction, and later multiplication/division!

Let me know if you’d like printable visuals or practice sheets! 😊