Avery uses squares to create patterns as shown.
- Find the number of squares in Pattern 7.
- Which pattern has 100 squares?
(a)
Pattern for the number of squares
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 squares = Pattern number x Pattern number
Number of squares for Pattern 7
= 7 x 7
= 49
(b)
100 = 10 x 10
Pattern number for 100 squares = 10
Answer(s): (a) 49; (b) 10
