Compare Three-Digit Numbers

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Answer Key & Explanations

Compare Three-Digit Numbers · Grade 2 · Worksheet 1

1. At the school book fair, Emma's class collected 345 books for their reading corner. Noah's class collected 354 books. Which class collected more books for their reading corner? Answer: C. Noah's class Solution: Compare the hundreds digits: Both numbers have 3 hundreds, so they are equal so far. Compare the tens digits: Emma's class has 4 tens (40) and Noah's class has 5 tens (50).
   Full step-by-step solution

   Step 1: Compare the hundreds digits: Both numbers have 3 hundreds, so they are equal so far. Step 2: Compare the tens digits: Emma's class has 4 tens (40) and Noah's class has 5 tens (50). Since 5 is greater than 4, Noah's class has more books. Step 3: Therefore, Noah's class collected more books. The correct answer is Noah's class.

2. Which is greater: 438 or 483? Answer: A. 483 Solution: Compare the hundreds place: Both numbers have 4 hundreds, so they are equal so far Compare the tens place: 438 has 3 tens, 483 has 8 tens Since 8 tens is greater than 3 tens, 483 is greater than 438 Therefore, 483 is the greater number
   Full step-by-step solution

   Step 1: Compare the hundreds place: Both numbers have 4 hundreds, so they are equal so far Step 2: Compare the tens place: 438 has 3 tens, 483 has 8 tens Step 3: Since 8 tens is greater than 3 tens, 483 is greater than 438 Step 4: Therefore, 483 is the greater number

3. A farmer plants apple trees in rows. There are 4 rows of trees and each row has 6 trees. How many apple trees are there in total? Answer: 24 Solution: We are told there are 4 rows of apple trees, and each row has 6 trees. We need the total number of trees. Since each row has the same number of trees, we can multiply the number of rows by the number of trees per row.
   Full step-by-step solution

   We are told there are 4 rows of apple trees, and each row has 6 trees. Step 1: Understand the problem. We need the total number of trees. Since each row has the same number of trees, we can multiply the number of rows by the number of trees per row. Step 2: Write the multiplication. Number of rows = 4 Trees per row = 6 Total trees = 4 × 6 Step 3: Perform the multiplication. 4 × 6 = 24 Step 4: State the final answer. So, the farmer has 24 apple trees in total.

4. Which is greater: 410 or 869? Answer: 869 Solution: Compare the numbers: 410 and 869. 869 is the larger number.
   Full step-by-step solution

   Step 1: Compare the numbers: 410 and 869. Step 2: 869 is the larger number. The answer is 869.

5. Emma collected 573 seashells at the beach. Her friend Liam collected 537 seashells. Who has more seashells? Answer: Emma Solution: Compare the hundreds digits. Emma has 5 hundreds (500) and Liam has 5 hundreds (500). They are equal.
   Full step-by-step solution

   Step 1: Compare the hundreds digits. Emma has 5 hundreds (500) and Liam has 5 hundreds (500). They are equal. Step 2: Compare the tens digits. Emma has 7 tens (70) and Liam has 3 tens (30). Since 70 is greater than 30, Emma's number is larger. Step 3: Therefore, Emma has more seashells than Liam. The answer is Emma.

6. Look at the pattern of circles: ○○○○ ○○○○ ○○○○. There are 3 rows with 4 circles in each row. How many circles are there in total? Answer: B. 12 Solution: There are 3 rows of circles Each row has 4 circles To find the total, multiply the number of rows by the number in each row: 3 × 4 3 × 4 = 12 The correct answer is 12.
   Full step-by-step solution

   Step 1: There are 3 rows of circles Step 2: Each row has 4 circles Step 3: To find the total, multiply the number of rows by the number in each row: 3 × 4 Step 4: 3 × 4 = 12 The correct answer is 12.