Last updated at March 6, 2026 by Teachoo
Transcript
Question 1 - Page 142 Create your own calendar trick. For instance, choose a grid of a different size and shape.Let’s take a cross shape and find out a pattern in it Cross ShapeLet’s the middle number be x So, Number above center = x – 7 Number below center = x + 7 Number left of center = x – 1 Number right of center = x + 1And, we can find Numbers by using Sum Like