Study the number pattern carefully.
- What is the missing number in the 6th pattern?
- What is the missing number in the 18th pattern?
- If this number pattern goes on, which pattern number will give you 200?
(a)
Pattern 1: 1
2 + 4 = 5
Pattern 2: 2
2 + 4 = 8
Pattern 3: 3
2 + 4 = 13
Pattern 4: 4
2 + 4 = 20
Formula:
Number for each pattern = Pattern number
2 + 4
Missing number in 6th pattern
= 6
2 + 4
= 40
(b)
Missing number in 18th pattern
= 18
2 + 4
= 328
(c)
Pattern number
2 + 4 = 200
Pattern number
2 = 200 - 4 = 196
Pattern number
= √196
= 14
Answer(s): (a) 40; (b) 328; (c) 14