Math in Focus Vocabulary
First Grade
Chapter
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Word
zero
one
two
three
four
five
six
seven
eight
nine
ten
same
more
fewer
greater than
less than
pattern
more than
part
2
2
3
3
3
3
whole
number bond
add
plus ( +)
equal to ( =)
addition sentence
3
3
3
more than
counting tape
addition story
4
4
4
4
4
4
take away
subtract
minus (- )
subtraction sentence
less than
subtraction story
4
fact family
Definition
0
1
2
3
4
5
6
7
8
9
10
equal to
4 eggs is more than 3 eggs
3 eggs is fewer than 4 eggs
4 is greater then 3
3 is less than 4
sequence that is repeated
4 is 1 more than 3
one of two or more smaller units that make up a
whole
a complete unit
a number relationship between parts and the whole
put together two or more parts to make a whole
the symbol used to show add
having the same amount or number
arithmetic expression involving the addition
operation
added on to
a diagram that shows numbers in a sequence
a real-world situation represented by one or more
addition sentences
remove or subtract
take away or remove
the symbol used to show subtract
a number sentence that represents taking away
4 is less than 5
a word problem that is solved using a subtraction
sentence
a group of addition and subtraction sentences that
have the same parts and whole
4
4
5
true
false
plane shapes
in agreement with fact or correct
not true
5
5
sort
color
5
5
alike
size
classify
an attribute in sorting shapes, for example red,
green, yellow, blue
the same
5
5
5
5
6
different
half of
fourth of
quarter of
first, second, third,
fourth, fifth, sixth,
seventh, eighth, ninth,
tenth/ last
6
before, after, between
6
under
6
above , below
not the same; not alike
one of two equal parts that together make one whole
one of four equal parts that together make one whole
one of four equal parts that together make one whole
6
behind, next to, in front
of
6
up, down, right, left
6
near, far
7
7
7
7
7
7
7
7
7
7
7
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
place-value chart
7
7
7
greatest
least
order
8
8
8
group
same
doubles fact
8
doubles plus one
11
12
13
14
15
16
17
18
19
20
a chart that shows how many tens and ones are in a
number
highest in value or magnitude
lowest in value or magnitude
arrange in sequence from least to greatest or
greatest to least
a set of objects or people
alike or equal
the numbers that are added together are the same
3+3=6
4+5 is 4+4 plus 1 more: 4+5=9
9
tall, taller, tallest
9
short, shorter, shortest
9
long, longer, longest
9
9
9
10
start line
about
unit
heavy, heavier, heaviest
common starting point for comparing lengths
approximately
units are used to measure things
10
light, lighter, lightest
10
10
10
11
weight
as heavy as
unit
data
11
picture graph
11
more, fewer
11
most, fewest
11
tally, mark
a measure of how heavy or light a thing is
a thing that is of equal weight
units are used to measure things
data is information that has numbers. Data can be
shown in charts, tables, and graphs
a picture graph uses pictures or symbols to show
data
11
tally, chart
11
bar graph
12
12
12
12
12
12
12
12
12
12
12
12
twenty-one
twenty-two
twenty-three
twenty-four
twenty-five
twenty-six
twenty-seven
twenty-eight
twenty-nine
thirty
forty
counting tape
21
22
23
24
25
26
27
28
29
30
40
13
count on
13
place value chart
13
regroup
13
count back
14
mentally
14
doubles fact
15
calendar
15
days
count on from the greater number to find how many
in all 55+4=?...55, 56, 57, 58, 59
a place-value chart shows how many tens and ones
are in a number
you regroup when you change 10 ones to 1 ten or 1
ten to 10 ones
count back from the greater number to find how
many fewer 55-4 =? 55, 54, 53, 52, 51
solving a problem in your head without using pencil
and paper
an addition fact in which the two addends are the
same: 8+8=16
a calendar shows the days, weeks, and months of a
year
Sunday, Monday, Tuesday are examples of days of
the week
15
15
15
15
15
15
15
16
16
16
16
16
16
16
16
16
week
month
year
date
warmer
colder
seasons
fifty
sixty
seventy
eighty
ninety
one hundred
one hundred twenty
estimate
number line
16
16
18
greater than
less than
same, groups, each
18
share
18
19
equally
cents
19
19
19
19
19
19
19
nickel
value
penny
dime
exchange
quarter
change
a sequence of seven days
a sequence of 28 to 31 days
a sequence of twelve months in a year
July 4, 2010
summer is warmer than spring
winter is colder than autumn
spring, summer, fall, winter
50
60
70
80
90
100
120
about how many. Not exactly how many.
a line with numbers arranged in order to form a
regular pattern.
a number line can be used to count on and back.
>
<
the number of stars in each group is the same.
there are 2 equal groups of stars.
to divide a number or amount into smaller numbers
or amounts.
having the same number or amount.
unit of money
stands for cents
a coin with a value of 5 cents
how much money a coin is worth
a coin with a value of 1 cent
a coin with a value of 10 cents
to give or trade something for equal value
a coin with a value of twenty-five cents
the money you get back when you pay for something