Place Value Blocks: Up to Hundreds Sheet 1 Answers

This image is an answer key for a place value blocks worksheet titled *"Place Value Blocks: Up to Hundreds Sheet 1 Answers"*. It helps students understand how to represent numbers using base-10 blocks (also called place value blocks), where:

- A large square represents 100 (hundreds),
- A rod or long rectangle represents 10 (tens),
- A small cube represents 1 (ones).

The task involves matching each group of blocks to the correct number on the right. The red lines show the correct matches, and we will go through each row to explain the reasoning.

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🔹 Row 1:

- Blocks: 2 large squares (100s), 2 rods (10s), 4 small cubes (1s)
- Calculation:
$ 2 \times 100 = 200 $
$ 2 \times 10 = 20 $
$ 4 \times 1 = 4 $
Total = $ 200 + 20 + 4 = 224 $
- ✔ Matched to 224

> But in the image, it's connected to 141 — this is incorrect.

Wait! Let’s double-check the actual image and connections.

Looking at the red arrows:

- Row 1 → 141 ✘
- Row 2 → 306 ✘
- Row 3 → 224 ✔
- Row 4 → 325 ✘
- Row 5 → 460 ✔
- Row 6 → 82 ✔

But wait — there are only six rows and six numbers. Let's analyze each row carefully and verify the correct number.

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🔸 Row 1:

- 2 large squares → 2 × 100 = 200
- 2 rods → 2 × 10 = 20
- 4 small cubes → 4 × 1 = 4
- Total: 224

✔ Should match 224

But in the image, it's matched to 141 — that’s wrong.

So the red line from row 1 to 141 is incorrect.

Let’s go one by one.

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🔸 Row 2:

- 1 large square → 100
- 4 rods → 4 × 10 = 40
- 1 small cube → 1
- Total: 141

✔ So this should match 141

But in the image, it's connected to 306 — wrong.

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🔸 Row 3:

- 3 large squares → 3 × 100 = 300
- 0 rods? Wait — no rods shown
- 6 small cubes → 6
- Total: 306

✔ Matches 306

But in the image, it's connected to 224 — wrong

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🔸 Row 4:

- 0 large squares
- 8 rods → 8 × 10 = 80
- 2 small cubes → 2
- Total: 82

✔ Matches 82

But in the image, it's connected to 325 — wrong

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🔸 Row 5:

- 4 large squares → 4 × 100 = 400
- 6 rods → 6 × 10 = 60
- 0 small cubes
- Total: 460

✔ Matches 460

Image shows connection to 460 — ✔ Correct

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🔸 Row 6:

- 3 large squares → 3 × 100 = 300
- 2 rods → 2 × 10 = 20
- 5 small cubes → 5
- Total: 325

✔ Matches 325

But in the image, it's connected to 82 — wrong

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🚨 Summary of Errors in Image:

| Row | Actual Number | Connected To | Correct? |
|-----|---------------|--------------|---------|
| 1 | 224 | 141 | ✘ |
| 2 | 141 | 306 | ✘ |
| 3 | 306 | 224 | ✘ |
| 4 | 82 | 325 | ✘ |
| 5 | 460 | 460 | ✔ |
| 6 | 325 | 82 | ✘ |

Only row 5 is correctly matched.

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✔ Correct Matching Should Be:

| Blocks Description | Number |
|--------------------|--------|
| 2 hundreds, 2 tens, 4 ones → 224 | 224 |
| 1 hundred, 4 tens, 1 one → 141 | 141 |
| 3 hundreds, 0 tens, 6 ones → 306 | 306 |
| 0 hundreds, 8 tens, 2 ones → 82 | 82 |
| 4 hundreds, 6 tens, 0 ones → 460 | 460 |
| 3 hundreds, 2 tens, 5 ones → 325 | 325 |

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✔ Final Answer:

The answer key provided in the image has all connections wrong except for row 5 (460). The correct matching should be:

- Row 1 → 224
- Row 2 → 141
- Row 3 → 306
- Row 4 → 82
- Row 5 → 460
- Row 6 → 325

⚠️ Therefore, the image contains errors in the matching. It appears the red lines were drawn incorrectly.

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📝 Conclusion:

The correct solution is:

| Block Group | Number |
|------------|--------|
| 1st row | 224 |
| 2nd row | 141 |
| 3rd row | 306 |
| 4th row | 82 |
| 5th row | 460 |
| 6th row | 325 |

✔ Only the fifth row is correctly matched in the image. The rest are mismatched.

If you're using this as a teaching tool, please correct the red lines accordingly.