1. Think Math! Grade 4 Leveled Problem Solving Chapters 1-3

2. 1.What is the total number of rabbits and hamsters that Tim has? Explain. 2.Greg has the same total number of rabbits and hamsters as Tim. How many hamsters does Greg have? Explain. 3.Robbie has the same total number of rabbits and hamsters as Tim. Robbie has 3 fewer rabbits than Greg. How many hamsters does Robbie have? Explain. Chapter 1 Lesson 1

3. Chapter 1 Lesson 2 1.What number should she put in the empty square on the left? Explain. 2.What numbers should she put in the empty squares? Explain. 3.What is the sum of the top row in the third magic square? Explain.

4. Chapter 1 Lesson 3 1.What number should he put in the empty square on the left? Explain. 2.What numbers should he put in the empty squares? Explain. 3.What is the sum of the top row in the third magic square? Explain.

5. Chapter 1 Lesson 4 1.By what number can she multiply each number to create another magic square? Explain. 2.What are the numbers in the top row of her magic square if she multiplies it by 9? Explain. 3.If she multiplies her magic square by 9, what will be the sum of each row, column, and diagonal of the new magic square? Explain.

6. Chapter 1 Lesson 5 1.How can he find the number by which to multiply? Explain. 2.By what number does Drew multiply? Explain. 3.What is the new magic square sum? Explain.

7. Chapter 1 Lesson 6 1.How can he find the number that belongs in the empty square on the left? Explain. 2.What number belongs in the empty square on the right? Explain. 3.What is the row sum of the new magic square? Explain.

8. Chapter 2 Lesson 1 1.If Marcus reads for 6 weeks, how many books does he read? Explain. 2.Marcus wants to read 36 books. How many weeks will it take? Explain. 3.Carrie reads 3 books each week. By the end of 8 weeks, how many more books will Marcus have read than Carrie? Explain.

9. Chapter 2 Lesson 2 1.How many seats are in that section? Explain. 2.One half of the auditorium has 2 sections like Section A. The fourth grade will need all the seats in that half of the auditorium. How many seats do they need? Explain. 3.One half of the auditorium has 2 sections like Section A. The two halves of the auditorium are identical. How many seats are in the entire auditorium? Explain.

10. Chapter 2 Lesson 3 1.What are the length and width of each of the 4 sections of the gardens? 2.What are the areas of the 4 sections and of the entire garden? 3.What is another way that Lisa could divide up her garden (with no 5 X 10 section)? Divided differently, does the area of the garden change?

11. Chapter 2 Lesson 4 1.How many tiles are in the largest design? Explain. 2.How many tiles are in all three designs? Explain. 3.Is it possible for all the tiles to be arranged in one rectangular array? If so, explain what the array would look like. If not, explain why not.

12. Chapter 2 Lesson 5 1.Gwen’s grandmother lives 9 miles away. In 2 weeks, how far does Gwen travel back and forth? Explain. 2.If her grandmother lives 12 miles from Gwen’s house, how far does she travel in 4 visits? Explain. 3.In 6 visits, Gwen travels a total of 84 miles. How many miles away does her grandmother live from her? Explain.

13. Chapter 2 Lesson 6 1.If the box of textbooks was distributed fairly among 5 classes, how many books did each class receive? Explain. 2.The school receives a total of 180 textbooks. How many boxes were ordered? Explain. 3.If the school receives a total of 128 books, how many boxes of each type were ordered? Explain.

14. Chapter 2 Lesson 7 1.Laura had 34 cubes and made groups of 6. How many cubes were left over? Explain. 2.Laura had 24 cubes and put all of them into groups with more than one cube in each group. What is the greatest number of groups she could have made? Explain. 3.When Laura arranged her cubes in groups of 2, 3, 4, 5, or 6, there were no cubes left over. What is the fewest cubes she could have had? Explain.

15. Chapter 2 Lesson 8 1.Mr. Li divided 28 crayons evenly among his students. How many students could have been in his class? Explain. 2.Mr. Li divided 10 crayons between his students and there were 2 crayons left over. How many students could be in his class? How many crayons will each student receive? 3.Mr. Li. Divided crayons among his students and had some left over. If he had fewer than 30 crayons, what is the greatest number he could have had? Explain.

16. Chapter 3 Lesson 1 1.Ellisa ships 2 full packs and 6 erasers. How many erasers is this? Explain. 2.Ellisa ships 5 full boxes, 2 full packs, and 4 erasers. How many erasers is this? Explain. 3.Ellisa ships 2 crates, 1 box, and 6 packs. How many erasers is this? Explain.

17. Chapter 3 Lesson 2 1.How many crates are in the shipment? Explain. 2.How many boxes are in the shipment? Explain. 3.How does Mandy package the shipment? Explain.

18. Chapter 3 Lesson 3 1.What is the largest possible package in a small order? Explain. 2.How many of each type of package is in the largest possible small order? Explain. 3.What is the greatest number of crates Val has to open to fill the 8 orders? Explain.

19. Chapter 3 Lesson 4 1.Which order has more erasers? Explain. 2.Combine the orders. How should they be packaged? Explain. 3.How many of each package of Order A should be removed to make it the same as Order B? Explain.

20. Chapter 3 Lesson 5 1.The erasers are packaged in 10’s. Who has more? Explain. 2.The erasers are packaged in 10’s. What is the correct packaging for the sum? Explain. 3.The erasers are packaged in 10’s. What is the correct packaging for the difference? Explain.

21. Chapter 3 Lesson 6 1.Eli filled orders for 2 teachers. How many crates, boxes, and packs did he use? Explain. 2.Eileen filled orders for 4 teachers. How many crates, boxes, and packs did she use? Explain. 3.Elaine filled orders for 5 teachers. How many crates, boxes, and packs did she use? Explain.

22. Chapter 3 Lesson 7 1.How many boxes, packs, and loose erasers does each of 3 classes receive? Explain. 2.How many boxes, packs, and loose erasers does each of 5 classes receive? Explain. 3.How many boxes, packs, and loose erasers does each of 4 classes receive? Explain.

23. Chapter 3 Lesson 8 1.What can Dell do to solve this multiplication problem: __ x 8 = 160? Explain. 2.What can Dell do to solve this multiplication problem: __ x 7 = 238? Explain. 3.What can Dell do to solve this multiplication problem: __ x 9 = 918? Explain.

24. Chapter 3 Lesson 9 1.How many packs are in the shipment? Explain. 2.How many more packs are there than crates in the shipment? Explain. 3.Which type of packaging has the greatest number of packages? Explain.

25. Chapter 3 Lesson 10 1.Which problem has an answer greater than 1,000? Explain. 2.Which problem has an answer of about 300? Explain. 3.Which problem has the smallest answer? Explain.