Place Value to 1000

lessonbunny.com

Answer Key & Explanations

Place Value to 1000 · Grade 2 · Worksheet 3

1. What is the value of the digit 7 in the number 473? Answer: 70 Solution: Write the number 473. Identify the positions: 4 is in the hundreds place, 7 is in the tens place, and 3 is in the ones place. The tens place means the digit is worth that many tens.
   Full step-by-step solution

   Step 1: Write the number 473. Step 2: Identify the positions: 4 is in the hundreds place, 7 is in the tens place, and 3 is in the ones place. Step 3: The tens place means the digit is worth that many tens. Step 4: 7 in the tens place is 7 × 10 = 70. The value of the digit 7 is 70.

2. Ava has 3 boxes of 100 crayons, 6 boxes of 10 crayons, and 1 single crayon. How many crayons does Ava have in all? Answer: 361 Solution: Find the value of the hundreds boxes: 3 boxes × 100 = 300 crayons. Find the value of the tens boxes: 6 boxes × 10 = 60 crayons. Add the single crayon: 1 crayon.
   Full step-by-step solution

   Step 1: Find the value of the hundreds boxes: 3 boxes × 100 = 300 crayons. Step 2: Find the value of the tens boxes: 6 boxes × 10 = 60 crayons. Step 3: Add the single crayon: 1 crayon. Step 4: Add all the crayons together: 300 + 60 + 1 = 361 crayons. Ava has 361 crayons in all.

3. 6 hundreds + 3 tens + 9 ones = ? Answer: 639 Solution: 6 hundreds means 6 × 100 = 600 3 tens means 3 × 10 = 30 9 ones means 9 × 1 = 9 Add all the values together: 600 + 30 + 9 600 + 30 = 630 630 + 9 = 639 The answer is 639.
   Full step-by-step solution

   Step 1: 6 hundreds means 6 × 100 = 600 Step 2: 3 tens means 3 × 10 = 30 Step 3: 9 ones means 9 × 1 = 9 Step 4: Add all the values together: 600 + 30 + 9 Step 5: 600 + 30 = 630 Step 6: 630 + 9 = 639 The answer is 639.

4. Ava is sorting her collection of 246 stickers into a place value chart. How many hundreds are in the number 246? Answer: 2 Solution: Write the number 246 in a place value chart. The digits from left to right are: hundreds, tens, ones. The hundreds digit is the first digit: 2.
   Full step-by-step solution

   Step 1: Write the number 246 in a place value chart. The digits from left to right are: hundreds, tens, ones. Step 2: The hundreds digit is the first digit: 2. Step 3: This means there are 2 groups of 100 in 246. Step 4: So, the number of hundreds in 246 is 2. Answer: 2

5. Ava is helping her neighbor sort canned goods. She sees 7 boxes with 100 cans each, 8 boxes with 10 cans each, and 3 loose cans. How many cans are there in total? Answer: 783 Solution: Find the value of the hundreds. 7 boxes of 100 cans = 7 × 100 = 700 cans. Find the value of the tens.
   Full step-by-step solution

   Step 1: Find the value of the hundreds. 7 boxes of 100 cans = 7 × 100 = 700 cans. Step 2: Find the value of the tens. 8 boxes of 10 cans = 8 × 10 = 80 cans. Step 3: Find the value of the ones. 3 loose cans = 3 cans. Step 4: Add all the values together: 700 + 80 + 3 = 783 cans. Ava counted 783 cans in total.

6. Noah is organizing his sticker collection. He has 6 sheets with 100 stickers each, 1 sheet with 10 stickers, and 6 loose stickers. How many stickers does Noah have in total? Answer: 616 Solution: Count the hundreds. Noah has 6 sheets of 100 stickers each. 6 × 100 = 600 stickers from the hundreds sheets.
   Full step-by-step solution

   Step 1: Count the hundreds. Noah has 6 sheets of 100 stickers each. 6 × 100 = 600 stickers from the hundreds sheets. Step 2: Count the tens. Noah has 1 sheet of 10 stickers. 1 × 10 = 10 stickers from the tens sheet. Step 3: Count the ones. Noah has 6 loose stickers. 6 × 1 = 6 stickers. Step 4: Add all the parts together: 600 + 10 + 6 = 616. Noah has 616 stickers in total.

7. Liam collected 24 seashells at the beach. His sister Emma found 35 seashells. How many seashells did they collect together? Answer: 59 Solution: Liam collected 24 seashells. Emma collected 35 seashells. We need to find the total number of seashells they collected together.
   Full step-by-step solution

   Step 1: Understand the problem. Liam collected 24 seashells. Emma collected 35 seashells. We need to find the total number of seashells they collected together. Step 2: Identify the operation. Since we are combining two amounts, we need to add the two numbers. Step 3: Write the addition expression. Total seashells = Liam's seashells + Emma's seashells Total seashells = 24 + 35 Step 4: Perform the addition. First, add the ones place: 4 + 5 = 9 Then, add the tens place: 20 + 30 = 50 Now combine: 50 + 9 = 59 Step 5: State the final answer. Together, they collected 59 seashells.

8. Noah is counting his baseball cards. He has 3 full pages with 100 cards each, 4 full rows with 10 cards each, and 7 single cards. How many baseball cards does Noah have in total? Answer: 347 Solution: Calculate the cards from the full pages. 3 pages × 100 cards each = 300 cards. Calculate the cards from the full rows.
   Full step-by-step solution

   Step 1: Calculate the cards from the full pages. 3 pages × 100 cards each = 300 cards. Step 2: Calculate the cards from the full rows. 4 rows × 10 cards each = 40 cards. Step 3: Add the single cards. There are 7 single cards. Step 4: Add all the cards together: 300 + 40 + 7 = 347. The answer is 347.

9. 8 hundreds + 0 tens + 9 ones = ? Answer: 809 Solution: 8 hundreds means 8 × 100 = 800 0 tens means 0 × 10 = 0 9 ones means 9 × 1 = 9 Add all the values together: 800 + 0 + 9 800 + 0 = 800 800 + 9 = 809 The answer is 809.
   Full step-by-step solution

   Step 1: 8 hundreds means 8 × 100 = 800 Step 2: 0 tens means 0 × 10 = 0 Step 3: 9 ones means 9 × 1 = 9 Step 4: Add all the values together: 800 + 0 + 9 Step 5: 800 + 0 = 800 Step 6: 800 + 9 = 809 The answer is 809.