Adding multiple two digit numbers word problem

TL;DR

Tomer has books on different shelves, and we need to determine the total number of books by adding the quantities from each shelf.

Transcript

• [Instructor] We're told that Tomer has a bookshelf. The table below shows how many books are on each shelf. So the first shelf has 19 books, the second shelf has 24 books, the third shelf has 32 books, and the fourth shelf has 7 books. How many books are on the bookshelves all together? So pause this video and see if you can work that out before ... Read More

Key Insights

• 📔 Tomer has 82 books on his bookshelves.
• 📔 Adding the quantities from different shelves helps determine the total number of books.
• 🤑 Separating the tens and ones makes the addition process simpler.
• 🪜 Tens can be added separately and ones can be added separately, and then the results can be combined to find the total.
• 🪜 The addition process involves adding 10s (10, 20, 30) and adding 1s (9, 4, 2, 7).
• 🪜 By adding the 10s, we get a total of 60, and by adding the 1s, we get a total of 22.
• 📔 When adding the final totals (60 and 22), we arrive at the answer of 82, which is the total number of books.

Questions & Answers

Q: How many books are there on each of Tomer's shelves?

Tomer has 19 books on the first shelf, 24 books on the second shelf, 32 books on the third shelf, and 7 books on the fourth shelf.

Q: How can we find the total number of books on Tomer's bookshelves?

To find the total number of books, we need to add the quantities from each shelf - 19 + 24 + 32 + 7, which equals 82.

Q: What is the significance of separating the tens and ones when adding?

Separating the tens and ones makes the addition process easier. By adding the tens separately and then adding the ones separately, we can simplify the calculation.

Q: How does the addition process work for finding the total number of books?

To find the total number of books, we add the tens from each shelf (10 + 20 + 30) to get 60, and then add the ones from each shelf (9 + 4 + 2 + 7) to get 22. Adding 60 and 22 gives us the final answer of 82.

Summary & Key Takeaways

• Tomer has 19 books on the first shelf, 24 on the second shelf, 32 on the third shelf, and 7 on the fourth shelf.

• To find the total number of books on Tomer's bookshelves, we add 19, 24, 32, and 7.

• By separating the tens and ones, we can add the tens and ones separately and then combine the results to find that Tomer has 82 books in total.