Page 64 - steps 4b 02.pdf

RM71
- - - - - _ 4b:2q
• • Length (2) • •

[I] Work out the answers to these problems using a calculator.
Remember to think first, "The answer will be about ... because ... ".

If your calculator answer does not make sense, decide what is wrong
and try again.
You could check the answers afterwards using written calculations.

a A flower bed with eight equal b 100 £ 1 coins fitted together in
sides has a perimeter of 6·24 m. a straight line will measure
2·25 m. .-...... .

30 of those coins will measure
The length of each side is ______ cm. ______ . ______ m.

c 4 pieces of fabric (1 m 25 cm, d 240 pages of a book are 20 mm
1 m Scm, 3m 50cm and 56cm thi~~ ~ £~<!)
long) are cut from a length !t~o/!J~ ?:= ~
<!!( .~.
12m long.

100 pages will be ______ mm thick
to the nearest millimetre.

e q lengths of string, each S2cm,
were cut from a 10m length.

The 4 lengths will total ______ . ______ m.
______ . ______ m of fabric will be left There will be ______ cm left.

[gJ Complete these to show measurements which will give you an

answer of [ 2. '-I 1 if you work them out on your calculator.
a 1 . DDm + 1 • DDm bO' Dmx D

cD·Dm+ D dD·Dm- D·Dm

Solving length problems on the calculator and
Name interpreting the display.
Date Materials: calculator

© 1994 HaroerCollins Publishers STEPS 4b