Page 10 - Math,prim 2 flip book
P. 10

Delta Modern Language Schools  Prim 2

Primary stage

Math Department
       term 2024-2025

 ➢ Subtracting without regrouping
     ❖ How to subtract 56 - 24 ?

First way Decompose each number into tens and ones to subtract.
                  56 - 24 = 32

50+6 20+4 = 30+2

Second way Decompose by drawing sticks for tens and small squares for
ones for each oddend to odd

                       56 - 24 = 32

   ➢ Adding with regrouping
EX 1 : Add 7 to 16 how many in all ?

                                      8
   5   6   7   8   9   10   11   12   13   14   15