Question

AIM : To study the multiplication of integers

MATERIAL REQUIRED : a chart paper , two
colour pencils , ruler and pencil.

PROCDURE : Make a square of appropriate size.
Draw 10 x10 .You will now have a grid . Multiply
the integers and write the corresponding answer in
the square, colour then negative integers with one
colour and positive with another colour.

Answer 1

Nitrate is a polyatomic ion with the chemical formula NO − 3. . Salts containing this ion are called nitrates. Nitrates are common components of fertilizers and explosives

Answer 2

Given that every square in the multiplication table is related to every other square (by multiplication or addition) it stands to reason that triangular also numbers feature in all of the other large squares in the complement of the blue grid. To see if they do, let’s look again at the multiplication table for 3 (so $k=3$). For now let’s focus on the top row of large squares, and start with the second large