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Objects and sets: Fill in the blanks.
Today
in
math
class
,
we
learned
about
objects
and
sets
.
An
object
is
any
item
you
can
touch
,
like
an
apple
or
a
block
.
A
set
is
a
of
objects
that
share
something
in
common
,
such
as
color
or
.
For
example
,
a
set
of
apples
sits
on
the
table
,
and
another
set
of
blocks
is
beside
it
.
We
count
the
in
each
set
to
see
how
many
objects
there
are
.
If
there
are
five
apples
and
three
blocks
,
the
classroom
has
eight
objects
in
total
.
Numbers
and
operations
help
us
work
with
money
,
time
,
and
games
.
In
this
unit
,
you
practice
up
to
one
hundred
,
using
and
to
solve
simple
problems
.
For
example
,
14
+
7
gives
a
new
,
and
20
-
9
gives
a
.
You
also
check
answers
by
using
objects
or
using
fingers
.
Remember
how
to
compare
numbers
,
and
write
the
correct
total
as
you
show
your
work
.
At
Primary
2
,
we
learn
by
putting
together
two
groups
of
objects
.
If
you
have
4
apples
and
3
more
,
it
shows
the
new
.
The
is
the
number
you
get
after
adding
,
and
it
tells
you
how
many
items
you
have
.
Practice
with
different
pairs
,
counting
first
and
then
using
the
symbol
+
to
show
the
operation
.
By
checking
your
answer
,
you
see
that
the
two
numbers
the
final
count
you
counted
.
Remember
to
count
carefully
and
check
again
.
At
the
market
,
Mia
starts
with
12
and
7
in
her
basket
.
She
counts
how
many
fruits
she
has
in
all
.
After
giving
5
of
the
fruit
to
a
friend
,
she
asks
,
how
many
are
to
be
counted
?
Then
she
buys
3
more
yellow
fruits
to
add
to
the
pile
.
Finally
,
she
wonders
what
the
is
between
the
numbers
at
the
start
and
after
the
buys
.
Subtraction
helps
her
check
her
steps
,
and
she
smiles
when
her
answer
matches
the
work
she
did
on
paper
.
Multiplication
is
a
quick
way
to
add
the
same
number
many
times
.
For
example
,
means
you
have
two
groups
of
three
.
If
you
count
all
items
,
the
total
is
.
You
can
check
by
making
a
picture
with
,
then
you
see
the
same
product
.
Another
simple
problem
is
,
which
equals
eight
.
We
will
practice
more
problems
like
two
times
five
and
seven
times
one
to
build
confidence
.
is
a
maths
operation
that
means
sharing
a
number
into
equal
.
When
you
divide
12
by
3
,
you
create
four
groups
,
each
with
4
objects
.
The
result
,
called
the
quotient
,
tells
how
many
in
each
portion
.
If
the
number
cannot
be
split
evenly
,
a
stays
with
the
leftovers
.
To
practice
,
draw
a
picture
of
the
problem
,
count
the
groups
,
and
check
by
multiplying
the
quotient
by
the
to
see
the
original
total
.
are
parts
of
a
whole
.
A
pizza
cut
into
equal
slices
shows
how
many
parts
we
have
.
If
a
pizza
is
shared
among
four
friends
,
each
friend
gets
of
the
pizza
.
A
half
means
two
equal
parts
,
so
if
you
break
an
orange
into
two
,
one
part
is
a
half
.
We
can
also
talk
about
thirds
,
where
a
bar
is
divided
into
three
equal
parts
.
Shade
to
show
a
third
,
or
shade
to
show
a
quarter
.
On
the
we
learn
to
read
the
date
.
Today
is
Monday
,
the
fifth
of
June
,
and
we
notice
how
change
during
the
year
.
Some
months
have
thirty
days
,
others
have
thirty
one
,
and
February
is
shorter
.
If
the
clock
shows
three
,
we
say
it
is
time
for
a
break
;
at
five
o'clock
we
finish
our
activities
.
When
buying
snacks
,
we
use
money
with
coins
and
,
and
together
we
count
up
to
two
pounds
and
fifty
pence
.
Today
we
explore
basic
and
inside
twenty
.
You
practice
counting
forward
to
add
numbers
,
using
number
bonds
and
your
fingers
to
find
the
quickly
.
When
you
take
away
,
subtraction
helps
you
find
the
between
two
amounts
.
Solve
simple
word
problems
like
'3
plus
5
makes
8'
or
'7
minus
2
equals
5'
to
check
your
understanding
.
Remember
to
check
your
answer
by
counting
again
and
to
write
the
numbers
neatly
in
your
math
notebook
.
Numbers
and
Operations
for
Primary
2
focus
on
counting
,
adding
,
and
taking
away
.
Mia
has
a
bag
with
ten
marbles
.
She
adds
three
more
and
finds
the
new
total
,
or
,
by
counting
all
the
marbles
again
.
Later
,
she
shares
the
marbles
with
a
friend
and
performs
to
find
the
between
what
she
started
with
and
what
she
has
left
.
Small
steps
using
a
help
her
check
each
answer
,
making
practice
fun
and
clear
for
young
learners
.
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