What is “Difference”


Instructions

    Information

  • There are 40 questions on this question paper.
  • Each question carries one mark.
  • Dedicate no more than 20 minutes to each section
  • The answers are to be written in lowercase
  • The test duration is 60 minutes
  • Complete answering questions from all 3 Sections before clicking on the Submit button

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What is difference?

Questions

What shall we take away from 6 to get 4?


Take out your weighing scale and put 6 blocks on one side and a 4 cuisenaire bar on the other side.




Now take away one block at a time to balance






So how many blocks did we remove ( take away)  from 6 to make a 4?






Now write the equation like this in your notebooks:


6 - 2 = 4


What you have been doing on the left hand side is “taking away” and we call it “Subtraction” in math and is shown by a “-” minus sign and since they are balanced, we use “equal” = symbol.







Subtraction is the opposite of Addition

Questions

When you take away 2 blocks from 6 blocks  you get 4 blocks. Now what if we add 2 blocks to 4 blocks ?





The curious case of 0

Questions

These doggies were given 6 candies to eat… They just sniffed and ate 0 candies. How many are left?



Make your model with the base 10 blocks and the cuisenaire rods again


Now take away 0 blocks



What will you put to balance?


Write the equation

6 - 0 = 6




Questions


…. And what if they ate them all!!



Make your model with the base 10 blocks



Now take away 6 blocks (all)





What will you put to balance?


Nothing!! ….. 0 …….




Write the equation

6 - 6 = 0




Who are we?

Questions

Can you take away 7 from 6? 






Submit

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