1. 2² + 24 ÷ (2 × 3)
8
6. 40 ÷ (9 − 4) + 3²
17
11. 2,000 + 400 ÷ (10 × 2²)
2010
16. The school library has 8 shelves of books. Each shelf contains 15 books. The librarian then adds 24 new books. How many books are there altogether?
144 books
21. Emma buys 4 boxes of pencils. Each box has 6 pencils. She already has 8 pencils at home. Then, she gives 5 pencils to her friend. How many pencils does she have now?
27 pencils
2. 2³ + 30 ÷ (8 − 3)
14
7. 4² + 18 ÷ (5 − 2)
22
12. 36,000 ÷ (8 − 2) + 2,000
8000
17. A family buys 4 movie tickets costing $12 each. They also buy 2 popcorns costing $5 each. How much do they spend altogether?
58 dollars
22. (2 × 3)² ÷ 4 + 18
27
3. 4² + 20 ÷ (6 − 2)
21
8. 48 ÷ (10 − 4) + 2²
12
13. 5,000 − 2,400 ÷ (7 − 3)
4400
18. The student council sells 20 boxes of cookies, with 240 cookies in each box. They give 300 cookies to volunteers and then divide the remaining cookies equally among 9 classrooms. How many cookies does each classroom receive?
500 cookies
23. Sylvia bought 4 bananas for 50 cents each and 1 apple for 80 cents. Write a numerical expression to represent this situation and then find the total cost in dollar.
2.80 dollar
4. 36 ÷ (8 − 2) + 2³
14
9. 3² + 32 ÷ (9 − 5)
17
14. 2,214 + 3,500 ÷ (8 − 3)
2914
19. An aquarium has 16 tanks, each containing 100 fish. During a conservation program, 400 fish are moved to another aquarium. The remaining fish are divided equally into 6 larger tanks. How many fish are in each larger tank?
200 fish
24. Martha pays 20 dollars for materials to make earrings. She makes 10 earrings and sells 7 for 5 dollars and 3 for 2 dollars. Write a numerical expression to represent this situation and then find Martha's profit?
21 dollars
5. 5² − 24 ÷ (7 − 3)
19
10. 12² + 1,800 ÷ (5 − 2)
744
15. 4,800 ÷ (9 − 5)² + 3²
309
20. A camping group packs 150 boxes of supplies. Each box contains 18 food packs. During the trip, they use 700 food packs. The remaining food packs are shared equally among 5 tents. How many food packs does each tent receive?
400 packs
25. 53 − 4 × (3² − 4) + 18 ÷ 3
39