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                              What is subtraction?




                              When we add things, we join them together. When we subtract
                              things, we take them away from other things. Then we can see


                              how many things are left.










                                                                                         There are 3 apples left.



                              Subtracting in Groups


                                                            J                       *                                         -Thinks
                              When we count backward, we're subtracting 1  each time.
                                                                                                                                 Reread
                              Count backward from 50 to 1. Now count backward by fives,
                                                                                                                                this  part.
                              subtracting 5 each time. Now count backward by tens.                                       c

                              How much are you subtracting each time now?                                         O O




                         f i d                                   f i d   w d                    n d  l t d   i . ^             i d







                      ubtraction Math Problems




                  All subtraction math problems have a minus si
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