Math 7 · Unit 9: Sequences and functions · Cambridge Lower Secondary Maths Stage 7

Questions

1. 1. Write down the next two terms of the sequence 5, 10, 15, 20, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 25
   • 24
   • 31
   • 30
   Check

2. 2. Write down the next two terms of the sequence 1, 3, 5, 7, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 8
   • 11
   • 9
   • 12
   Check

3. 3. Write down the next two terms of the sequence 6, 10, 14, 18, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 22
   • 26
   • 21
   • 27
   Check

4. 4. Write down the next two terms of the sequence 20, 28, 36, 44, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 61
   • 51
   • 60
   • 52
   Check

5. 5. Write down the next two terms of the sequence 10, 9, 8, 7, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 7
   • 5
   • 6
   • 8
   Check

6. 6. Write down the next two terms of the sequence 16, 13, 10, 7, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 4
   • 2
   • 3
   • 1
   Check

7. 7. Write down the next two terms of the sequence 20, 18, 16, 14, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 14
   • 12
   • 11
   • 10
   Check

8. 8. Write down the next two terms of the sequence 50, 45, 40, 35, … (The first term is the first number in the list.)

   Fill the blanks with these.

   • 26
   • 29
   • 30
   • 25
   Check

9. 9. The first term is 5 and the term-to-term rule is 'Add 3'. Write down the next four terms.

   Fill the blanks with these.

   • 7
   • 18
   • 11
   • 8
   • 17
   • 14
   Check

10. 10. The first term is 2 and the term-to-term rule is 'Add 6'. Write down the next four terms.

    Fill the blanks with these.

    • 14
    • 20
    • 26
    • 7
    • 27
    • 8
    Check

11. 11. The first term is 12 and the term-to-term rule is 'Add 10'. Write down the next four terms.

    Fill the blanks with these.

    • 52
    • 42
    • 21
    • 53
    • 22
    • 32
    Check

12. 12. The first term is 0 and the term-to-term rule is 'Add 7'. Write down the next four terms.

    Fill the blanks with these.

    • 14
    • 21
    • 28
    • 29
    • 7
    • 6
    Check

13. 13. The first term is 12 and the term-to-term rule is 'Subtract 2'. Write down the next four terms.

    Fill the blanks with these.

    • 5
    • 9
    • 4
    • 10
    • 6
    • 8
    Check

14. 14. The first term is 25 and the term-to-term rule is 'Subtract 5'. Write down the next four terms.

    Fill the blanks with these.

    • 15
    • 19
    • 20
    • 6
    • 5
    • 10
    Check

15. 15. The first term is 13 and the term-to-term rule is 'Subtract 1'. Write down the next four terms.

    Fill the blanks with these.

    • 10
    • 14
    • 9
    • 11
    • 12
    Check

16. 16. The first term is 100 and the term-to-term rule is 'Subtract 20'. Write down the next four terms.

    Fill the blanks with these.

    • 21
    • 60
    • 20
    • 79
    • 80
    • 40
    Check

17. 17. Write down the missing terms in each of these sequences: 4, 10, 16, ☐, 28, ☐, 40, 46.

    Fill the blanks with these.

    • 35
    • 34
    • 22
    • 21
    Check

18. 18. Write down the missing terms in each of these sequences: 45, 43, ☐, 39, 37, ☐, 33.

    Fill the blanks with these.

    • 40
    • 35
    • 36
    • 41
    Check

19. 19. For the infinite sequence 12, 14, 16, 18, …, write down the term-to-term rule, the next two terms and the tenth term.

    • Add 2; 20, 22; tenth term 32
    • Add 4; 22, 26; tenth term 48
    • Add 2; 20, 22; tenth term 20
    • Add 2; 20, 22; tenth term 30
    Check

20. 20. For the infinite sequence 5, 8, 11, 14, …, write down the term-to-term rule, the next two terms and the tenth term.

    • Add 3; 17, 20; tenth term 32
    • Add 3; 17, 20; tenth term 35
    • Add 5; 19, 24; tenth term 50
    • Add 3; 17, 20; tenth term 30
    Check