Table of Contents
Numbers and Operations
Lesson 1
Understanding Place Value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Lesson 2
Even and Odd Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Lesson 3
Comparing and Ordering Whole Numbers . . . . . . . . . . . . . . . . . . . . . .14
Lesson 4
Models for Fractions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Lesson 5
Coins and Making Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Lesson 6
Addition-Subtraction Fact Families . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Lesson 7
Multiplication as Repeated Addition . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Lesson 8
How to Solve Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Lesson 9
Solving Problems by Adding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Lesson 10
Solving Problems by Subtracting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Lesson 11
Solving Problems with Multiplication. . . . . . . . . . . . . . . . . . . . . . . . . . .46
Lesson 12
Rounding to the Nearest 10 or 100 . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Lesson 13
Using Estimation to Solve Problems. . . . . . . . . . . . . . . . . . . . . . . . . . .54
Measurement
Lesson 14
Units of Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Lesson 15
Estimating Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Lesson 16
Estimating Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
Lesson 17
Estimating Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Lesson 18
Using Rulers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Lesson 19
Comparing and Ordering Objects. . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Lesson 20
Telling Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Lesson 21
Elapsed Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
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Geometry
Lesson 22
Two-Dimensional Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Lesson 23
Three-Dimensional Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Lesson 24
Symmetry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Algebraic Concepts
Lesson 25
Patterns with Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102
Lesson 26
Patterns with Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Lesson 27
Completing Number Sentences . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Lesson 28
Solving Problems with Number Sentences. . . . . . . . . . . . . . . . . . . . .114
Statistics and Probability
Lesson 29
Bar Graphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
Lesson 30
Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Math Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
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LESSON
Measurement
14 Units of Measurement
When finding units of measure, first decide if
you need to find units of length, weight, mass, or
capacity. Then select the size of the unit.
Which unit would be best to measure the capacity of a mug?
grams
cups
meters
ounces
REMEMBER Capacity
is a measure of how much
something can hold.
Step 1
Look at the chart. Find the column for capacity.
customary
units
metric units
measurement
tools
Step 2
length
weight and mass
inch, foot, yard,
mile
ounce, pound, ton
centimeter,
gram, kilogram
meter, kilometer
ruler, yardstick, scale, pan balance
measuring tape
Find a unit that measures capacity.
So, the best unit to measure the
capacity of a mug is
.
capacity
teaspoon, tablespoon,
cup, pint, quart, gallon
liter, milliliter
teaspoon, tablespoon,
measuring cup
THINK Which answer
choice is in the capacity
column of the table?
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Lesson 14: Units of Measurement
Circle the best unit of measurement
for each.
1.
2.
capacity of a sink
grams
feet
centimeters
gallons
length of a piece
of paper
4.
1.
Which unit is in
the mass column
of the chart?
Grams or
centimeters?
Measurement
3.
mass of an apple
distance from your
house to school
centimeters
kilograms
teaspoons
miles
Circle the best measuring tool for each.
5.
7.
length of your
math book
6.
capacity of a juice
glass
ruler
teaspoon
yardstick
measuring cup
weight of a child
8.
length of the
chalkboard
scale
yardstick
measuring tape
ruler
5.
Which is best
for measuring
short objects?
Ruler or
yardstick?
6.
Which makes
more sense?
Using a teaspoon
many times
or using a
measuring cup
one time?
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Circle the answer for each question.
Measurement
1.
2.
3.
What does a liter measure?
4.
What does a gram measure?
A.
length
A.
length
B.
weight
B.
time
C.
capacity
C.
capacity
D.
time
D.
mass
Which unit can be used to find
the length of a feather?
5.
Which unit can be used to
measure the capacity of a
bathtub?
A.
centimeter
B.
gram
A.
ounces
C.
cup
B.
gallons
D.
pound
C.
tons
D.
hours
Shawn needs to measure the
mass of a puppy. Which of the
following measurement tools
should he use?
A.
teaspoon
B.
scale
C.
measuring tape
D.
yardstick
6.
Margot is making curtains for
a large window. She needs to
measure 8 feet of fabric. Which
measurement tool should
Margot use?
A.
scale
B.
ruler
C.
measuring cup
D.
yardstick
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Lesson 14: Units of Measurement
7.
Shelley needs to measure flour for a recipe.
What measurement tool should Shelly use? Explain your
choice.
Part B.
Will Shelley measure the flour in ounces, grams, or cups?
Explain your choice.
Math
Words
Measurement
Part A.
Fill in the blanks.
8.
Teaspoon, liter, and quart are units used to measure
.
9.
Gram and kilogram are units used to measure
10.
Inch, centimeter, yard, and meter are units used to measure
11.
A ruler is a tool used to measure
12.
A ton is a unit used to measure
.
.
.
.
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