1.   Write an equation that describes the pattern.

Input (▲)

8

12

16

20

24

28

Output (■)

11

15

19

    A. ▲ − 3 = ■ B. ▲ + ■ = 3
    C. ▲ + 4 = ■ D. ▲ + 3 = ■
    Hint

  2.   Write an equation that describes the pattern.

Input (▲)

12

17

22

27

32

37

Output (■)

8

13

18

    A. ▲ + 5 = ■ B. ▲ − 4 = ■
    C. ▲ − ■ = 4 D. ▲ + 4 = ■
    Hint

  3.   Find the next three numbers in the pattern.

Input (▲)

60

50

40

30

20

10

Output (■)

50

40

30

    A. 20, 10, 0 B. 20, 15, 10
    C. 20, 30, 40 D. 60, 50, 40
    Hint

  4.   Find the next three numbers in the pattern.

Input (▲)

10

20

30

40

50

60

Output (■)

110

120

130

    A. 140, 160, 180 B. 140, 150, 160
    C. 120, 110, 100 D. 135, 140, 145
    Hint

  5.   Find the next three numbers in the pattern.

Input (▲)

27

25

23

21

19

17

Output (■)

24

22

20

    A. 18, 14, 10 B. 18, 16, 14
    C. 19, 18, 17 D. 18, 20, 22
    Hint