Page 49 - 01-Yr5_Front cover-ccp.indd
P. 49

•••••••••••••                           •  Division moves  •  •   RM51 and (optlonoO                             51
                                                                                                                   RM 50, counters
                                                 ~ Design o fact box similar ta the one in [ij .   Use counters and RM 50 to help if you need to check answers .
        ~=M•Ul"1fJ--                                                                                                             ~=M•l¥1fJ--
                     PAGE  16                    [2J   On  RM 49, draw counters on  boards i to I   IUJ   On RM 51  draw counters on boards a to d   PAGE  17
                                                    to represent numbers 1000 times larger than these.   to represent numbers 10 times smaller thon these.
                                                                                            Then complete the line under each board.
                                                    Then complete the line under each board.
                                                                                . . ..   0  ,_10000.-+-1000_'+-:"""'-:  _,__10'-+--"-+-'-I•-+-"'&_,•  b,_.,._ .. ,+-.,..-'-+-'°"'--+--:'-1-.-:-+. :~~-+: ~"_,'
                                                                                  . . .
                                                                                            0
                                                                                               0
                                                           ......            . ..  ..    f----+---+--+.-,-•• ,+--+::-"c:-o-+: -=--t
                                                              is
                                                                             .
                                                           . . . ..
                                                 k 10000s  1000s   100s   10s   ......  &•   l 10000s1000c   100s   . ..   C  lOOOOs  1000s   100s   10s   ts   •s   k•   d  100005  1000s   100s
                                                            ls
                                                 [ill   What number equals 1000 lots of:   ~  Divide these numbers by 10.
                                                                                            0  30   b  190   c  2020   d  1190
                                                    e  1·5   f  30·7   g  3·9   h  60·9     e  800   f  8100   g  12300   h  10500
                                                    i  0·5   j  0·9   k  0·19   l  0·76     i  86000   j  70000   k  22000   l  110000
        To  multiply a number by  100, move         m  0·41  n3·55   0  19·05   p 250·31?   m  0·5   n 3·7   a  9·0   p 0·1
        all the digits two places to the left .   [!]  •  Choose o number to go in the green box.   x 1000 =
                                                     Complete the equation.              t!J   •  Choose a number to go in the pink box.   .;- 10 =
                                                                                             Complete the equation.
         Units become hundreds. Tens                •  Repeat for 4 other whole numbers and for 5 decimal numbers.
                                                                                            •  Repeat for 4 other whole numbers and for 5 dec;mal numbers.
        become thousands. Tenths become          [j]J   Design o foct box about multiplying by 1000.
         tens. Hundredths become units .         11!1                           I "'"''"I
                                                                                           rn


         See Resource Master 4q.                                                           See Resource Master 51 .

        ~                                                                                  00

        a  4000       b  10 000    c  %000      d  125000    e  1500     f  30700          a  3         b  1q        c  202        d  11q       e  80       f  810
        g  3qoo       h  5oqoo       500        j  qoo       k  1qo         760            g  1230      h  1050         8600       j  7000      k  2200       11  000

        m 410         n  3550      0  1qo50     p  250310                                  m 0·05       n  0·37      0  o-q        p  0·01

        [DJ                                                                                00

        Open: choosing a number and completing an equation. Repeating for four             Open: choosing a number and completing an equation. Repeating for four
        other whole numbers and five decimal numbers.                                      other whole numbers and five decimal numbers.





        To multiply by  1000, move all the digits three places to the left.
        Units become thousands. Tens become ten thousands. Tenths become
        hundreds. Hundredths become tens.
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