Elijah uses tiles to create patterns as shown.
- Find the number of tiles in Pattern 5.
- Which pattern has 100 tiles?
(a)
Pattern for the number of tiles
Pattern 1: 1 x 1 = 1
Pattern 2: 2 x 2 = 4
Pattern 3: 3 x 3 = 9
Pattern 4: 4 x 4 = 16
Formula:
Number of tiles = Pattern number x Pattern number
Number of tiles for Pattern 5
= 5 x 5
= 25
(b)
100 = 10 x 10
Pattern number for 100 tiles = 10
Answer(s): (a) 25; (b) 10
