Page 20 - Our Discovery Island 3 Student Book full_Neat 1

+ (plus) (minus) (equols)
.::.,,,:,',.,.- = .
I,

ii'i:.:.J i T fr'T'= [
:r: '. !
' -.f:r ., -E" (^b
; s*4* rr ta , "'t

l--l

I

-.-.
,'.-
I R6- d th e,',hUrmbe,r. 'ri ddleg.,Then write r the qnSwer.
t
t'.. -, ;l,t,"t'',';,,, :.ff ,'.'

o o

I'm the number of legs
on two insects, minus the
number of legs on a cat.
What number om I?

oouo L]

I'm the number of tegs
on three birds, plus the
number of legs on o horse.
What number arn 1?

I
t::
,,"*.+*u*;-.t ,.. {
A biped onimol hos two legs.
A quodruped onimol hos four legs.

I Are humons quodrupeds or bipeds?
2 Nome two bipeds ond two quodrupeds.