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Answers:

1. What is the value of the 8 in the following numbers?

   • a. 1,384: The value of the 8 is 80 (the tens place).
   • b. 8,294: The value of the 8 is 8,000 (the thousands place).
   • c. 418: The value of the 8 is 8 (the ones place).
   • d. 6,897: The value of the 8 is 800 (the hundreds place).

2. Solve:

   • a. 3 × 10 = 30
   • b. 3 × 100 = 300
   • c. 3 × 1,000 = 3,000
   • d. 30 × 10 = 300

3. Write four multiples of 4:

   • 4, 8, 12, 16

4. Solve:

   • How many 10s in 30? 3
   • How many 10s in 300? 30
   • How many 7s in 21? 3
   • How many 7s in 210? 30

5. Solve:

   • 50 + 6 = 56
   • 300 + 20 = 320
   • 200 + 50 + 6 = 256

Let me know if you'd like any further clarifications or explanations! Here are some questions that build on the concepts above:

1. What is the value of 7 in the number 7,321?
2. What is the value of 9 in the number 1,950?
3. What are four multiples of 5?
4. How many 5s in 50?
5. How many 10s in 400?

Tip: When identifying the value of a digit, look at its place (ones, tens, hundreds, etc.) to determine its numerical worth.