Lucky to Learn Math - Two Digit Number Forms - Lesson 1.9 ... - Free Printable

Let's solve the "Number Form News" worksheet step by step. The goal is to fill in the missing number forms for each row: Standard Form, Expanded Form, Base Ten Form, and Word Form.

We'll go through each row one by one.

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🔹 Row 1:

- Standard Form: 75
- Expanded Form: ?
- Base Ten Form: ?
- Word Form: ?

✔ Expanded Form:
75 = 70 + 5 → So, 70 + 5

✔ Base Ten Form:
7 tens and 5 ones → Draw 7 long bars (tens) and 5 small squares (ones)

✔ Word Form:
Seventy-five

➡️ Completed Row 1:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 75 | 70 + 5 | 7 tens, 5 ones | seventy-five |

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🔹 Row 2:

- Standard Form: ?
- Expanded Form: ?
- Base Ten Form: 4 tens and 3 ones (4 long bars, 3 small squares)
- Word Form: ?

✔ Standard Form:
4 tens = 40, 3 ones = 3 → 40 + 3 = 43

✔ Expanded Form:
40 + 3

✔ Word Form:
Forty-three

➡️ Completed Row 2:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 43 | 40 + 3 | 4 tens, 3 ones | forty-three |

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🔹 Row 3:

- Standard Form: ?
- Expanded Form: ?
- Base Ten Form: ?
- Word Form: fifty-two

✔ Standard Form:
Fifty-two = 52

✔ Expanded Form:
50 + 2

✔ Base Ten Form:
5 tens and 2 ones → Draw 5 long bars and 2 small squares

➡️ Completed Row 3:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 52 | 50 + 2 | 5 tens, 2 ones | fifty-two |

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🔹 Row 4:

- Standard Form: ?
- Expanded Form: ?
- Base Ten Form: 9 tens and 0 ones (9 long bars, no small squares)
- Word Form: ?

✔ Standard Form:
9 tens = 90 → 90

✔ Expanded Form:
90 + 0 → or just 90

✔ Word Form:
Ninety

➡️ Completed Row 4:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 90 | 90 + 0 | 9 tens, 0 ones | ninety |

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🔹 Row 5:

- Standard Form: 46
- Expanded Form: ?
- Base Ten Form: ?
- Word Form: ?

✔ Expanded Form:
40 + 6

✔ Base Ten Form:
4 tens and 6 ones → 4 long bars, 6 small squares

✔ Word Form:
Forty-six

➡️ Completed Row 5:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 46 | 40 + 6 | 4 tens, 6 ones | forty-six |

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🔹 Row 6:

- Standard Form: ?
- Expanded Form: 20 + 3
- Base Ten Form: ?
- Word Form: ?

✔ Standard Form:
20 + 3 = 23

✔ Base Ten Form:
2 tens and 3 ones → 2 long bars, 3 small squares

✔ Word Form:
Twenty-three

➡️ Completed Row 6:
| Standard | Expanded | Base Ten | Word |
|---------|----------|----------|------|
| 23 | 20 + 3 | 2 tens, 3 ones | twenty-three |

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✔ Final Answer Table:

| STANDARD FORM | EXPANDED FORM | BASE TEN FORM | WORD FORM |
|---------------|----------------|----------------|------------------|
| 75 | 70 + 5 | 7 tens, 5 ones | seventy-five |
| 43 | 40 + 3 | 4 tens, 3 ones | forty-three |
| 52 | 50 + 2 | 5 tens, 2 ones | fifty-two |
| 90 | 90 + 0 | 9 tens, 0 ones | ninety |
| 46 | 40 + 6 | 4 tens, 6 ones | forty-six |
| 23 | 20 + 3 | 2 tens, 3 ones | twenty-three |

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📝 Summary of Concepts:

- Standard Form: How we normally write numbers (e.g., 75).
- Expanded Form: Breaking it into tens and ones (e.g., 70 + 5).
- Base Ten Form: Visual representation using rods (tens) and units (ones).
- Word Form: Writing the number in words (e.g., "seventy-five").

This worksheet helps students understand that numbers can be represented in multiple ways — a key concept in place value!

Let me know if you'd like a printable version or help drawing the base ten blocks!