Page 50 - 01-Yr5_Front cover-ccp.indd
P. 50
••••••••••••• •••••••••••••
52
L£j Copy and complete this fact box. @] Copy and complete this fact box.
To divide a number by 10, move all the digits .... To divide o number by 100, move off the digits ...
Thousands become ... ... ..... . . Hundreds become ... Thousands become ............... . Hundreds become
.. . become tenths. . .......... become hundredths. . ...... .... become tenths. . ......... become hundredths.
!]] On RM 51 , draw counters on boards e to h ~ On RM 51 , draw counters on boards i to I
to represent numbers 100 times smaller than these to represent numbers one thousandth of these.
Then complete the line under each board.
.....
. . . . . . . .. j 10000s1000s 100s
..
rnT1Tr1
e 10000s 1000s 100s 10s ls ~s fos f 10ooos 1000s 100s 10s 1s -0s ~s . ..
......
. . . ..
k 10000s 1000s 100s 10s 1s l 10ooos1000s K>Os 10s 1s as -ks
i:§JI Divide each of these numbers by 100. [9J Divide each of these numbers by 1000.
a 500 b 31 oo c 5500 d 81 200 a 3000 b 8000 c 16000 d 20000
e 8000 f 13000 g 1000 h 75000 e 130 000 f 202 000 g 999 000 h 348 000
i 500 j 3700 k 100 I 8800
i 5130 j 8080 k 6320 l 4380
m 111 n 305 o 7 44 p 999 m 30 n 590 o 1120 p 8070 To divide a number by 100, move all
the digits two places to the right.
ID] • Choose o number to go in the grey box. - 7 1000 =
EJ • Choose a number to go in the yellow box. 7 1 oo = Complete the equation.
Complete the equation. Thousands become tens. Hundreds
• Repeat for 4 other whole numbers and for 5 decimal numbers.
• Repeat for 4 other whole numbers and for 5 decimal numbers.
~ Design o fact box about dividing by 1000. become units. Tens become tenths.
jsnPsS:22 j
Units become hundredths.
To divide a number by 10, move all the digits one place to the right. See Resource Master 51.
Thousands become hundreds. Hundreds become tens. Units become
~
tenths. Tenths become hundredths.
a 3 b 8 c 16 d 20 e 130 f 202
g qqq h 348 0·5 j 3·7 k 0·1 8·8
See Resource Master 51.
m 0·03 n 0·5q 0 1·12 p 8·07
[ID
[!!]
a 5 b 31 c 55 d 812 e 80 f 130
g 10 h 750 51·3 j 80·8 k 63·2 43·8 Open: choosing a number and completing an equation. Repeating for four
other whole numbers and five decimal numbers.
m 1·11 n 3·05 0 7·44 p q.qq
[I]
To divide a number by 1000, move all the' digits three places to the right.
Open: choosing a number and completing an equation. Repeating for four
Thousands become units. Hundreds become tenths. Units become
other whole numbers and five decimal numbers.
thousandths. Tens become hundredths.