Math Skill Summary – Third Grade
Essential skills taught each trimester
Numbers and
Numeration
Operations
and
Computation
1st Trimester
2nd Trimester
3rd Trimester
 Read, write, and identify
place values to 1,000.
 Give equivalent names for
whole numbers using a
variety of operations.
 Read, write, and identify
place values to 1,000,000.
 Compare and order
numbers to 100,000.
 Read, write, and model
decimals to the
hundredths.
 Compare and order
decimals to the
hundredths.
 Demonstrate
automaticity with all
addition and subtraction
facts through 10+10.
 Use and describe a
variety of strategies to
solve +,- of whole
numbers.
 Develop automaticity of
multiplication facts (x0,
x1, x2, x5, and x10).
 Make reasonable
estimates for whole
numbers +, -.
 Solve multiplication
number stories.
 Read, write, model, and
identify fractions.
 Find equivalent fractions
for ½.
 Compare and order
fractions to ½.
 Develop automaticity
with all addition and
subtraction facts
through 10 +10.
 Use and describe a
variety of strategies to
solve +, - of whole
numbers and decimals in a
money context.
 Make reasonable
estimates for whole
number +, -.
 Solve +, - number stories.
 Use basic probability
terms.
Not assessed this
trimester
Data and
Chance
Measurement
and Reference
Frames
 Measure to the ½ inch
and ½ centimeter.
 Find the perimeter of
polygons.
 Tell and show time to the
nearest minute.
 Find the area of a
rectangle.
 Demonstrate
automaticity of
multiplication facts (x0,
x1, x2, x5, and x10).
 Use strategies to
compute remaining
multiplication facts.
 Make reasonable
estimates for whole
numbers +, -.
 Solve multiplication and
division number stories.
 Collect and organize data
to create tables, graphs,
and line plots.
 Find the median and
mode of a data set.
 Use basic probability
terms.
 Tell and show time to
the nearest minute.
 Draw lines to the nearest
½ inch and ½ centimeter.
 Describe relationships
between units of length
and time.
Geometry
Patterns,
Functions, and
Algebra
Not assessed this
trimester
 Use words and symbols to
create and describe
number patterns.
 Use words and symbols to
create and describe
number sentences.
 Identify and draw points,
intersecting/parallel line
segments and lines, rays,
and right angles.
 Identify and describe 2and 3- dimensional
shapes.
 Draw a line of symmetry.
 Complete a 2-dimensional
symmetric design.
 Use words and symbols to
create and describe
number patterns.
 Solve problems involving
parentheses.