Page 48 - 01-Yr5_Front cover-ccp.indd

50 RM 49 and (optional)
• On the move ••••••• • •••••••• •RM 50, counters
Use counters and RM 50 to help if you need to check answers. [3J Copy and complete this fact box.
To multiply a number by 10, move all the digits one place ..
(I] On RM 49 draw counters on boards a to d Tens become . Units become ....
. Tenths become . . . .. . .. . Hundredths become ..
to represent numbers 1 O times larger than these.
Then complete the line under each board.
@] On RM 49 draw counters on boards e to h
to represent numbers 100 times larger than these.
Then complete the line under each board.
. . . ...
e 1-'°000-+-' _1000_, 1---+:~:~:tc-:..,-: .+-="~' +--=l.'--1 f 10000. ""'°" '°"' 10. : : : ! ~: ;.,
.
&s
91-100_00-+' _1000_'1-. "'°'-•• -+-'°'-+-:-::~• :-• -t-=-;.'_, h 10000s 1000s 1001 10s \s is ..
0
'33 What number equals 10 lots of: @] What number equals 100 lots of:
a 2 b 10 c 125 d 909 e 3100 a 4 b 0 c 10 d 36
f 1·3 g 8·1 h 3·3 i 42·0 j 69·9 e 1·4 f 5·7 g 83·5 h 14·6
k 0·8 l 0·1 m 0·6 n 10·7 a 30·5 i 0·6 j 0·9 k 0·1 l 0·8
p 0·33 q 1·23 r 20·06 s 36·84 t 17·77? m 0·41 n 0·07 0 6·35 p 12·22?
0 • Choose o number to go in the blue box. x 100;
!]] • Choose o number to go in the purple box. - x 10 ;
Complete the equation. Complete the equation.
• Repeat for 4 other whole numbers and for 5 decimal numbers. • Repeot for 4 other whole numbers and for 5 decimal numbers.
m
rn

See Resource Master 4q_ See Resource Master 4q_

00

a 20 b 100 c 1250 d qoqo e 31 000 f 13 g 81 a 400 b 0 c 1000 d 3600 e 140 f 570 g 8350

h 33 420 j 5qq k 8 m 6 n 107 h 1460 60 qo k 10 80 m 41 n 7
0 305 p 3·3 q 12·3 r 200·6 s 368·4 t 177·7 0 635 p 1222

[ID

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 a number by 10, move all the digits one place to the left.
Tens become hundreds. Units become tens. Tenths become units.
Hundredths become tenths.