Math In Focus

Chapter 1 - Numbers to 1,000

Big Idea: Count, compare, and order numbers to 1,000.


Vocabulary
hundred10 tens = 100
hundreds258 = 2 hundreds 5 tens 8 ones
thousand10 hundreds = 1,000
standard form258 is the standard form of 258
word formtwo hundred fifty-eight is the word form of 258
expanded form200 + 50 + 8 is the expanded form of 258
greater than (>) 235 > 146
 less than (<)345 < 372
 greatest among 489, 236, and 701, 701 is the greatest
 least among 489, 236, and 701, 236 is the least
 more than 1 more than 246 is 247
 less than 1 less than 251 is 250


School-to-Home Connection



Extra Practice
Lesson 1  (9/3-9/4)
Lesson 2  (9/5-9/6)

Resources

Great Website


Chapter 2 - Addition Up To 1,000

Big Idea: Three-digit numbers can be added with and without 
                   regrouping.


Vocabulary
addput together two or more part to make a whole
place-value chart
regroupchange 10 ones to 1 ten
or
change 1 ten to 10 ones

change 10 tens to 1 hundred
or
change 1 hundred to 10 tens
School-to-Home Connection


Extra Practice
Lesson 1  (9/24-     )

Chapter 3 - Subtraction Up to 1,000

Big Idea: Subtract up to three-digit numbers with and without 
                 regrouping.


Vocabulary
subtracttake away one part from the whole to find the other part
place-value chart
regroupchange 10 ones to 1 ten
or
change 1 ten to 10 ones

change 10 tens to 1 hundred
or
change 1 hundred to 10 tens
School-to-Home Connection


Extra Practice
Lesson 1  (10/10-    )


Chapter 4 - Using Bar Models:
                    Addition & Subtraction

Big Idea: Addition and subtraction can be shown with bar 
                 models.

Bar models are used to show the part, part, and whole of an addition or subtraction problem.

Bar Model Examples:

Vocabulary
joinbring together two or more sets
seta collection of items
take awayremove one part from the whole
 compare find out which of two sets has more or fewer things
School-to-Home Connection


Extra Practice
Lesson 1  (11/2-11/5)
Lesson 2  (11/7-   )



Chapter 5 - Multiplication and Division

Big Idea: Multiplication and division use equal groups



Vocabulary
timesto multiply
equalhaving the same amount or number
groupa set of things
 multiplyput all the equal groups together
 repeated addition3 + 3 + 3 + 3 = 12
Groups of 3 are added 4 times.
You can use repeated addition to find the number of things in all.
multiplication sentencea number sequence involving multiplication
multiplication storya number story involving multiplication
shareput into groups
divideput into equal groups or share equally
equal groupsgroups or sets that have the same amount
division sentencea number sentence involving division
repeated subtraction6 - 2 - 2 - 2 = 0
Groups of 2 are subtracted 3 times.
You can use repeated subtraction to find the number of groups.
School-to-Home Connection



Extra Practice
Lesson 1  (12/3-12/4)
Lesson 2  (12/5-12/6)
Lesson 3  (12/7-12/8)



Chapter 6 - Multiplication Tables of 2, 5, and 10

Big Idea: Known multiplication facts can be used to find other 
                multiplication facts



Vocabulary
skip-countskip-counting by 2s
dot paperthis is dot paper.
It shows 3 rows of 2.
related multiplication facts5 x 2 = 10
2 x 5 = 10
 odd numbera number that does not divide exactly by 2
(1, 3, 5, 7, 9)
 even numbera number that divides exactly by 2
(0, 2, 4, 6, 8)
School-to-Home Connection



Extra Practice
Lesson 1  (1/2)
Lesson 2  (1/3-1/4)



Chapter 7 - Metric Measurement of Length

Big Idea: Centimeter rulers and metersticks can be used to 
                measure and compare how long and how tall things 
                are


Vocabulary
metersticka meter-long ruler to measure length
lengthhow long something is
meter (m)a metric unit of length
unitunits are used to measure
widthhow wide something is
heighthow wides something is
taller,
tallest
shorter,
shortest
longer,
longest
centimeter (cm)
a metric unit of length, used to measure shorter lengths
School-to-Home Connection



Extra Practice
Lesson 1  (1/16)
Lesson 2  (1/17)
Lesson 3  (1/18 - 1/22)
Lesson 4  (1/23)
Lesson 5  (1/24)



Chapter 13 - Customary Measurement of 
                      Length

Big Idea: Rulers can be used to measure and compare how 
                long and how tall things are


Vocabulary
foot/feet (ft.)a customary measure of length
lengthhow long something is
rulera tool used to measure length of an object
unitunits are used to measure
widthhow wide something is
heighthow wides something is
longest
a word used when ordering three objects by length
shortest
a word used when ordering three objects by length
inch (in.)
a customary measure of length
School-to-Home Connection



Extra Practice
Lesson 1  (1/31)
Lesson 2  (2/1)
Lesson 3  (2/4 - 2/5)
Lesson 4  (2/6 - 2/7)
Lesson 5  (2/8 - 2/11)




Chapter 10 - Mental Math and Estimation

Big Idea: Mental math can be used when an exact answer is 
                 needed.
                Estimation can be used when an exact answer is not  
                 needed.

Vocabulary
sumthe result when numbers are added
add mentallyadding numbers mentally without actual writing
differencethe result when one number is subtracted from another
subtract mentallysubtracting numbers mentally without actual writing
number linea line that shows numbers in increasing size from left to right
aboutan estimation
round
for example: 44 is 40 when rounded to the nearest ten
nearest ten
for example: 44 is 40 when rounded to the nearest ten
estimate
a number close to an exact amount
reasonablewhen the actual answer is close to an answer from a rounding or estimation
School-to-Home Connection



Extra Practice
Lesson 1  (2/15-2/19)
Lesson 2  (2/15-2/19)
Lesson 3  (2/20 - 2/21)
Lesson 4  (2/20 - 2/21)
Lesson 5  (2/22 - 2/25)



Chapter 11 - Money

Big Idea: Money amounts can be shown and counted using 
                 bills and coins

Vocabulary
$1 billa bill with a value of $1 or 100¢
$5 billa bill with a value of $5 or 500¢
$10 billa bill with a value of $10 or 1,000¢
$20 billa bill with a value of $20 or 2,000¢
cent sign 
¢
a sign that indicates that the value of the amount is in cents (not dollars)
dollar sign
$
a sign that indicates that the value of the amount is in dollars (not cents)
decimal point
a dot that separates the cents from the dollars in money amounts
table
a table can be used to organize data in rows and columns
School-to-Home Connection



Extra Practice
Preteach Lesson (2/24 -    )



Chapter 12 - Fractions

Big Idea: Fractions can be used to describe how equal parts 
                are related to a whole.

Vocabulary
equaleach part is the same size
unequalnot the same size
wholean entire figure and is equal to one
fractiona number that names equal parts of a whole
one-halfone of the parts you get when you divide something into 2 equal parts
one-thirdone of the parts you get when you divide something into 3 equal parts
one-fourth
one of the parts you get when you divide something into 4 equal parts
unit fraction
names one of the equal parts of a whole
samefigures or objects that are equal in size
greater thanmore than in value
less thansmaller in value
like fractionsthe bottom numbers are the same
School-to-Home Connection



Extra Practice
Lesson 1 (3/20 - 3/21)
Lesson 2 (3/25 -    )



Chapter 14 - Time

Big Idea: Time of day can be shown in different ways.

Vocabulary
hour handshort hand on a clock
minute handlong hand on a clock
minutea unit of time
60 minutes equals 1 hour
houra unit of time equal to 60 minutes
o'clocko'clock means according to the clock
pastafter
clock face
on a clock face, the long hand tells the hour and the short hand tells the minutes after the hour
A.M.
use A.M. to talk about time just after midnight to just before noon
P.M.use P.M. to talk about time just after noon to just before midnight
School-to-Home Connection



Extra Practice


Chapter 17 - Graphs and Line Plots

Big Idea: Picture graphs, tally charts, bar graphs, and line 
                plots show data about things you can count

Vocabulary
picture grapha graph that uses pictures to represent data
keya statement that tells what each picture or symbol on a picture graph stands for
symbolvena picture that represents data in a picture graph
recordto keep track of data or information
tally charta chart that uses tally marks to keep track of data or information collected
line plota graph that represents data along a number line
School-to-Home Connection



Extra Practice
Lesson 1 (4/23 - 4/24)
Lesson 2 (4/25 - 4/26)

Chapter 18 - Lines and Surfaces

Big Idea: Properties of parts of lines, curves, and surfaces can be seen and felt

Vocabulary
part of
a line
not the whole line
curvea line that is not straight but bent
flat
surface
a surface that is level and even
curved
surface
a surface that is not level or even
slideto move along a smooth surface
stackto arrange on top of each other
 roll move by turning over and over
School-to-Home Connection



Extra Practice


Chapter 19 - Shapes and Patterns

Big Idea: Plane and solid shapes can be identified and classified. They can be separated and combined to make other shapes.

Vocabulary
plane
shape
a plane shape has length and width, but no thickness
hexagona plane shape that has six sides
trapezoida plane shape that has four sides
figureyou can make a figure by combining different plane shapes
pattern
unit
one set in a series of repeated sets.
shapeThe square, rectangle, triangle, and circle are plane shapes.

The cube, rectangular prism, cone, cylinder, and pyramid are solid shapes.
 facerefers to every flat surface of a solid
 pentagon a plane shape that has five sides
 quadrilateral a figure with four straight sides
 repeating
patterns
 repeated sets of shapes arranged in a pattern
School-to-Home Connection



Extra Practice
Lesson 1 (5/20 - 
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