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    E:\Working\Orange_Education\Math_Genius_2\Open_Files\Chap_03
                   \ 26-Sep-2025  Bharat Arora   Proof-10                                   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 a 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.

                  56                                                                                    Mathematics-2

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