1. Find the sum. 3 + 3 + 3 + 3 = __ A. 15 B. 6 C. 9 D. 12 Hint 2. Find the sum. 10 + 10 + 10 = __ A. 30 B. 20 C. 10 D. 0 Hint 3. Find the missing numbers. 5, __ , 15, 20, __ , 30 A. 12; 25 B. 10; 23 C. 10; 25 D. 9; 27 Hint 4. Find the missing numbers. 10, 20, 30, __ , __ A. 40; 50 B. 31; 32 C. 40; 41 D. 50; 70 Hint 5. Find the missing numbers. __ , 12, 18, 24, __ A. 6; 30 B. 8; 32 C. 5; 28 D. 10; 25 Hint 6. Find the missing numbers. __ , 4, 6,__ , 10, 12 A. 2; 14 B. 3; 9 C. 1; 7 D. 2; 8 Hint 7. Write an addition sentence for the model. A. 5 + 5 + 5 + 5 = 20 B. 5 + 5 + 5 + 5 + 5 = 25 C. 5 + 5 + 5 = 20 D. 5 + 5 + 5 = 15 Hint 8. Write an addition sentence for the model. A. 8 + 8 + 8 = 24 B. 8 + 8 + 8 = 16 C. 8 + 8 = 24 D. 8 + 8 = 16 Hint 9. There are 5 children. Each has 2 books. How many books are there in all? A. 2 books B. 7 books C. 5 books D. 10 books Hint 10. Marisa has 3 fish tanks. She puts 4 fish in each tank. How many fish does Marisa have in all the tanks? A. 7 fish B. 4 fish C. 15 fish D. 12 fish Hint