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E:\Working\Focus_Learning\Math_Genius_2_(09-10-2023)\Open_Files\Chap_03
               \ 16-Feb-2024  Bharat Arora   Proof-6                                    Reader’s Sign _______________________ Date __________





                       Practice Time 3B


              1.  Break a ten into 10 ones. What do you get? Draw and write.
                   (a)








                           3 tens 0        ones                    tens         ones

                   (b)








                               tens        ones                    tens         ones
              2.  Fill in the blanks.

                   (a) 4 tens       +  3 ones  =  ____  tens  +  13  ones

                   (b) 3 tens       +  0 ones  =          2    tens  +  ____ ones
                   (c) 5 tens       +  2 ones  =  ____  tens  +  12  ones

              3.  First write in tens and ones. then regroup.

                   (a)  57  =  ____  tens  +  ____  ones  =  ____  tens  +  ____  ones
                   (b)  63  =  ____  tens  +  ____  ones  =  ____  tens  +  ____  ones

                   (c)  44  =  ____  tens  +  ____  ones  =  ____  tens  +  ____  ones

              SUBTRACTION WITh ReGROUPING


              Subtraction of 1-digit Number from a 2-digit Number

              ella: There are 34 students in our class. How

              many boys are there David?
              david: We are 8 in number. How many girls

              are there?

              ella: There are 26 girls.

              david: How do you calculate the answer?

              ella: We write the greater number above the
              smaller number according to the place value

              of digits and then subtract step-wise.



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