2. Divisibility Rules! Factor This! Can U Multiply The 4 step plan Exponents 100 2 100 7 100 12 100 17 100 22 200 3 200 8 200 13 200 18 200 23 300 4 300 9 300 14 300 19 300 24 400 5 400 10 400 15 400 20 400 25 500 6 500 11 500 16 500 21 500 26 FINAL JEOPARDY

3. The rule for being divisible by 2 The number ends in a 0, 2, 4, 6, or 8 100

4. 3,065 is divisible by 5. How do I know this? It ends in a 5 or 0 200

5. Is 128 even or odd? Even 300

6. The rule for divisibility by 3 Add the digits and see if the number is divisible by 3 400

7. Is 1280 divisible by 10? Why or why not? Yes, because it ends in a 0 500

8. Is 45 a prime or composite number? Composite (9  5 = 45) 100

9. Find the prime factorization of 25 5  5 or 5 2 200

10. What is the prime factorization of 12? 223223 300

11. Is 9 prime or composite? Composite 400

12. Name 5 prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23,29,31 500

13. What is another word that tells you to multiply times, of, factor, product 100

14. What is 3 x 11 33 DAILY DOUBLE 200

15. If 5 x 7 = 35, what does 35  5 = 7 300

16. Which answer is larger… 10 + 5 or 7 x 2 10 + 5 400

17. What is 3 x 2 x 4 24 500

18. What are the steps in the four step plan? Find, Solve, Explain, Answer 100

19. How far does Jupiter travel in one day? 200 What is the find in this problem: Jupiter orbits the sun at 8 miles each second. How far does Jupiter travel in one day?

20. Solve this problem. The bus left at 10:00 and arrives at your house 20 minutes later. What time did the bus get to your house? 10:20 300

21. What does the step EXPLAIN want you to do? Tell why you did the math (added or subtracted…) 400

22. Name three words/phrases that mean subtract take away, less, difference, less than, minus 500

23. What does 7 5 mean? 7 x 7 x 7 x 7 x 7 100

24. Write 4 x 4 x 4 using an exponent 4343 200

25. Write “ten to the fifth power” as a product of the same factor 10 x 10 x 10 x 10 x 10 300

26. What does “squared” mean? to the second power 400

27. What does “cubed” mean? to the third power 500

28. What two numbers are neither prime nor composite. 1 and 0