In the given graph sheet draw and colour how the Fibonacci number pattern makes a spiral in the Golden Rectangle.

Using repeated subtracting method find HCF of the following:
42 and 70

Do the given problems by repeated subtraction method and verify the result.

On a school trip, 56 girls and 98 boys went to Kanyakumari. They were divided into as many groups as possible so that there were equal numbers of girls and boys in each group. find the largest group possible? (To find the HCF using repeated division method)

Kalai wants to cut identical squares as big as she can, from a piece of paper measuring 168 mm and by 196 mm. What is the length of the side of the biggest square? (To find HCF using repeated subtraction method)