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                     \ 10-Nov-2025  Bharat Arora   Proof-8                                    Reader’s Sign _______________________ Date __________

                            3

                                                         Multiplication

                        LEARNING ObjEctIvEs

                         After studying this chapter, students will be able to...

                            y  multiply 4-digit numbers by 1-digit numbers
                            y  multiply 3- and 4-digit numbers by 2-digit numbers
                            y  understand the properties of multiplication
                            y  multiply the numbers by using the lattice multiplication method
                            y  multiply two 3-digit numbers together
                            y  estimate the product
                            y  solve real-life problems based on multiplication

                                                                                                    21 st
                                                                                                  Century   #Inter-disciplinary
                                                                                                   Skills
                        Warm Up                                Earth's Moon

                       On most nights, you can see the moon in the
                       sky.  The moon  is  the  only  natural satellite  of

                       Earth. It is the only place  in our solar system
                       other than Earth that humans have visited.
                       Here are some interesting facts about the moon.

                          •  The moon goes around Earth once  in
                              about 28 days.

                          •  On Earth, an object weighs 6 times its weight on the moon.
                          •  The moon is slowly moving away from Earth by about 4 cm every year.

                          •  You can jump 6 times higher on the moon than on Earth.

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                                                                                                 Multiplication

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