3. Objectives: Generate and describe sequences. Vocabulary:

4. Find the next two terms for each of the sequences below. 1. 12, 14, 16, 18, 20, …… 2. 2, 4, 6, 8, 10, …… 3. 15, 20, 25, 30, 35, …… 4. 19, 24, 29, 34, 39, …… 5. 41, 39, 37, 35, 33, …… 6.21, 24, 27, 30, 33, …… 7. -2, 0, 2, 4, 6, …… 8. 21, 16, 11, 6, 1, …… 9.15, 10, 5, 0, -5, …… 10. 1, 2, 4, 8, 16, …… Explain for each question how you found the missing numbers. W/S 7.1B

5. Answers: 1. 12, 14, 16, 18, 20, …… 2. 2, 4, 6, 8, 10, …… 3. 15, 20, 25, 30, 35, …… 4. 19, 24, 29, 34, 39, …… 5. 41, 39, 37, 35, 33, …… 6.21, 24, 27, 30, 33, …… 7. -2, 0, 2, 4, 6, …… 8. 21, 16, 11, 6, 1, …… 9.15, 10, 5, 0, -5, …… 10. 1, 2, 4, 8, 16, …… 22, 24 the numbers go up in twos 12, 14 the numbers go up in twos 40, 45 the numbers go up in fives 44, 49 the numbers go up in fives 31, 29 the numbers go down in twos 36, 39 the numbers go up in threes 8, 10 the numbers go up in twos - 4, -9 the numbers go down in fives - 10, -15 the numbers go down in fives 32, 64 the numbers are doubling each time

6. The grey squares are square numbers – 1, 4, 9,….. There are always 4 white tiles Grey 4² and white 4. There will be 16 grey and 4 white tiles

7. M7[1]3B The grey squares go up in 1s – 1, 2, 3….. The white squares go up in 2s – 4, 6, 8,…. There will be 4 grey and 10 white.

8. Objectives: Generate and describe sequences. Vocabulary:

9. Thank you for your attention