Page 41 - steps 3b.pdf
P. 41
RM46
Subtraction (1) 3b:ll
rn Work out the answers to these. Use your baseboard and
base 10 pieces to help.
a 325 - 167 = _ b 164-87 = _ c 406 - 24Q = _
d 417 e 343 f 440
- 128 - 18q - 277
00 Make different subtractions using all these numbers each time.
I've found one! -
there are lots more!
00 Afterwards, find a way to check your answers.
e~--------------------------------------~
Subtracting 3-digit numbers with the help of
Name apparatus.
. Date Materials: base 10 materials; baseboard
I
\rJ 1993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3b
