Page 23 - steps 3b.pdf

RM27

Functions 3b:7

rn Choose numbers to go in the dotted boxes to make
the machine work.

[;] 3_ r-- -- - -,

Subtract c::) I I I I I I
I I
2 I L _ ____ ..J I
r- -- ---,
I I
10 _ c::) I I
I
I I
L __ _ _ _ J
r -- - - - '
I I
15 _ c) I
I
I I Think first about
L __ ___ ...1
r --- --' r ---- - -, what the machines
I I I I
l - c::)
I
I I
I
: - c) r - - - - - -, I
I
I
L _ ____ ..J
L _____ -'
r -- --- -,
I
I
I
I
I
L _____ ..J
L ___ __ ..J
I!I Choose what to write in the dotted boxes.
- r - - - - ------ -, q - r - - - -- -- -- - -,

5 I I c::) I I I 5
- L _ ____ ___ __ ..J - I I I L _ __ _ _ __ _ _ _ ...1 I I

8 c::) 12 8

c::) 28 _

r-- -- -' r ----- -,
I I I
:- c::): :-
I I I I
L __ _ __ ....J L _ ___ _ ...1
r - - -- -' r - --- --,
I I I
I
t : _ 0 : :-
r - ---- --- ...., r ----- --- -,
I I I I
L ____ _ ...1 L _ __ __ ..J
I I I I
I I
I I
L _ _ ___ ___ ...J
I L _ ____ _ _ _ ...J I I I
Interpreting simple function machines and inverses.
Name Materials: counting objects
Date

© 1993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3b