Lesson 1: Use place value understanding to fluently add multi-digit whole numbers using the standard addition algorithm, and apply the algorithm to solve word problems using tape diagrams. — Practice Questions

1. 1. Use mental math to solve. $7 \text{ tens} + 2 \text{ tens} = \_\_\_ \text{ tens}$.

2. 2. Which expression shows the correct way to think about adding $500 + 300$ using place value units?

   • A. $5 \text{ tens} + 3 \text{ tens}$
   • B. $5 \text{ hundreds} + 3 \text{ hundreds}$
   • C. $5 \text{ thousands} + 3 \text{ thousands}$
   • D. $50 \text{ tens} + 3 \text{ tens}$

3. 3. Calculate the total number of thousands: $8 \text{ thousands} + 6 \text{ thousands} = \_\_\_ \text{ thousands}$.

4. 4. What is the total value of 16 hundreds plus 3 hundreds?

   • A. 1,900
   • B. 190
   • C. 19,000
   • D. 1,630

5. 5. What is the total value of the expression $31 \text{ tens} + 8 \text{ tens}$? The answer is ___.

6. 6. A bakery produced 1,475 white bread loaves and 950 wheat bread loaves in one day. How many loaves did the bakery produce in total? The total is ___ loaves. (include comma)

7. 7. A farmer plants 3,520 corn seeds and 2,890 bean seeds. If 'T' represents the total number of seeds, which equation correctly models this situation?

   • A. $3,520 + 2,890 = T$
   • B. $3,520 - 2,890 = T$
   • C. $T + 2,890 = 3,520$
   • D. $T - 3,520 = 2,890$

8. 8. Last year, a city's public library loaned out 45,381 books. This year, it loaned out 52,946 books. What is the total number of books loaned out over both years? The total is ___ books. (include comma)

9. 9. A website received 4,567 hits on Friday. On Saturday, it received 2,785 hits. What was the total number of hits for the two days?

   • A. 6,242
   • B. 7,242
   • C. 7,352
   • D. 7,342

10. 10. A cargo ship travels 18,950 miles on its first voyage and 9,875 miles on its second. What is the total distance traveled in miles for both voyages? The total distance is ___ miles. (include comma)