In my teaching experience, I have found that many students of different age group, become clueless when they have to answer "Is -10 greater than -16?" This happens due to weak conceptual background in integers.

Teachers may take a little pain and take a big chart and draw the number line with positive, and negative numbers.

Write the thumbrules on the board:

Number on the left is smaller than number on the right

Number on the right is greater than number on the left.

Allow the children to read and think about it using the chart. Ask some students to take some examples and see if something is assimilated.

Then you proceed with your own examples and fortify the concepts

Write the question on the board: "Is 4 lesser than 10?"

Ask one student to come and locate number 4 and 10 and then ask them "Is 4 on the right or left of 10?"

Assuming the student replies correctly, i.e. 4 is on the left of 10.

Repeat the thumbrule that number on the left are always lesser than number on the right.

Thus, 4 is lesser than 10.

Now let us do another comparison. Is 4 lesser than -10?

Same steps to follow. Thus time, 4 is on the right of -10.

Thumbrule: number on the right is always greater than number on left.

Thus, 4 is greater than -10.

Another comparison. Is -4 lesser than -10.

This time -4 is on the right of -10.

Thumbrule: number on the right is always greater than number on left.

Thus, -4 is greater than -10.

Another comparison. Is -9 greater than -7?

This time -9 is on the left of -7.

Thumbrule: number on left is smaller than number on right.

Thus, -9 is lesser than -7

Another comparison. Is 1 smaller than -7?

This time 1 is on the right of -7.

Thumbrule: number on the right is greater than number on left

Thus, 1 is greater than -7.

Try this with your children, students and sometimes, even adults need this assistance and send the feedback!

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