1. Find the sum.3 + 3 + 3 + 3 = ___ A. 15 B. 9 C. 6 D. 12 Hint 2. Find the sum.6 + 6 + 6 = ___ A. 18 B. 6 C. 24 D. 666 Hint 3. Find the missing numbers.5, ___, 15, 20, ___, 30 A. 10; 25 B. 10; 23 C. 9; 27 D. 12; 25 Hint 4. Find the missing numbers.10, 20, 30, ___,___ A. 40; 50 B. 31; 32 C. 50; 70 D. 40; 41 Hint 5. Find the missing numbers.___, 12, 18, 24, ___ A. 10; 25 B. 6; 30 C. 5; 28 D. 8; 32 Hint 6. Write an addition sentence. A. 5 + 5 + 5 = 20 B. 5 + 5 + 5 = 15 C. 5 + 5 + 5 + 5 = 20 D. 5 + 5 + 5 + 5 + 5 = 25 Hint 7. Write an addition sentence. A. 8 + 8 = 24 B. 8 + 8 = 16 C. 8 + 8 + 8 = 16 D. 8 + 8 + 8 = 24 Hint 8. Write an addition sentence. A. 3 + 3 + 3 + 3 + 3 + 3 = 15 B. 3 + 3 + 3 + 3 + 3 + 3 = 18 C. 3 + 3 + 3 + 3 + 3 = 15 D. 3 + 3 + 3 + 3 + 3 = 18 Hint 9. There are 5 children. Each has 2 books. How many books are there in all? A. 10 books B. 7 books C. 5 books D. 2 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. 4 fish B. 12 fish C. 7 fish D. 15 fish Hint