Page 25 - 新思维数学学生用书2 样章
P. 25

1   Numbers to 100


           7  Order these numbers from smallest to greatest.



                   67        42       86        34        21



                You could use a place value grid or a number line to help you.









              Let’s investigate


              Zara says, ‘You only need to look at the tens number to


              order numbers’.

              Is this always true, sometimes true or never true?

              Talk to another member of your class about their investigation.

              How did they decide on their answer?


              Did you do something different?




             Look what I can do!



             •  I can use what I know about place value to

                 compare and order numbers.


             •  I can make and describe number sequences.

             •  I can use ordinal numbers.




















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