South Central BOCES
Mathematics
UNIT 1 RULING WITH RULES (6 weeks)
UNIT 2 ARE YOU ODD OR EVEN? (8 weeks)
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What would happen if we did not have one ruler that everyone understood and
used (Or, what if everyone created their own rulers with their own way of
measuring?)?
 What do we measure and why/how?
Length Measurement
S.4-GLE.2-EO.a.i
S.4-GLE.2-EO.a.iii
 Measure the length of objects by selecting and using
S.4-GLE.2-EO.a.ii
appropriate tools such as: rulers, yardsticks, meter sticks,
S.4-GLE.2-EO.a.iv
measuring tapes
S.4-GLE.2-EO.b.i
 Estimate and measure length in standard units: inches,
feet, centimeters, meters
 Measure an object two times using different sized units of
measure (i.e. feet & inches, centimeters & inches)
describing how the results relate to the size of the unit
 Measure to determine how much longer one object is than
another & express difference in standard unit lengths
 Use addition and subtraction within 100 to solve word
problems involving lengths that are given in the same units
using strategies such as drawings and equations with a
symbol to represent an unknown
Time Measurement
Tell and write time to the nearest five minutes on analog and
digital clocks using a.m. and p.m.
Money Measurement
Solve word problems involving dollar bills, quarters, dimes,
nickels, and pennies using the dollar and cent symbols
appropriately
Line Plot
Generate measurement data to the nearest whole unit and
display using a line plot with a horizontal scale marked off in
whole number units (MA10-GR.2-S.3-GLE.1-EO.a.i)
S.4-GLE.2-EO.c.i
S.4-GLE.2-EO.c.ii
Grade 2
What is the best way (s) to add and subtract numbers?
What makes a strategy efficient?
Addition and Substitution
 Use addition and subtraction within 100 to solve one and
two step word problems involving situations of adding to
taking from, putting together, taking apart and comparing
with unknowns in all positions and represent the problem
by using drawings and equations with a symbol for the
unknown number
 Apply addition and subtraction concepts to financial
decision making
 Fluently add and subtract within 20 using mental strategies
Odd and Even
 Determine whether a group of objects (up to 20) has an odd
or even number of members
 Write an equation to express an even number as a sum of
two equal addends
 Partition a rectangle into rows and columns of same-size
squares and count to find the total number of them
 Use addition to find the total number of objects arranged in
rectangular arrays with up to 5 row and up to 5 columns
and write an equation to express the total as a sum of equal
addends
S.1-GLE.2-EO.a.i
S.1-GLE.2-EO.a.ii
S.1-GLE.2-EO.b, c
Graphical Representation
 Represent whole numbers a lengths from 0 on a number
line diagram with equally spaced points corresponding to
the numbers 0, 1, 2, . . .
 Represent whole number sums and differences within 100
on a number line diagram
 Draw a picture graph and bar graph (with single unit scale)
to represent a data set with up to four categories
 Solve simple put together, take-apart, & compare problems
using information presented in picture and bar graphs
S.4-GLE.2-EO.b.ii
S.4-GLE.2-EO.b.ii
S.3-GLE.1-EO.a.ii
S.3-GLE.1-EO.a.iii
S.1-GLE.2-EO.d.i
S.1-GLE.2-EO.d.ii
S.4-GLE.1-EO.c
S.1-GLE.2-EO.d.iii
UNIT 3 DO ALL HALVES LOOK THE SAME? (4 weeks)
UNIT 4 WHAT DOES 10 HAVE TO DO WITH 1000? (12 weeks)
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What makes a shape a shape?
Is there more than one way to split a cookie in half? What about a pan of
brownies?
Recognize and draw shapes having specified attributes,
such as given number of angles or a given number of
equal faces (MA10-GR.2-S.4-GLE.1-EO.a)
Identify triangles, quadrilaterals, pentagons, hexagons,
and cubes (MA10-GR.2-S.4-GLE.1-EO.b)
Partition circles and rectangles into two, three, or four
equal shares and describe the shares using the words
halves, thirds, half of, a third of, fourths, a fourth of, and a
quarter of and describe the whole as two halves, three
thirds, and four fourths (MA10-GR.2-S.4-GLE.1-EO.d)
Recognize that equal shares of identical wholes need not
have the same shape-conservation of area (MA10-GR.2S.4-GLE.1-EO.e)
How can 10 be both ten and one?
What would happen if there were no such thing as place value?
Counting
 Represent the digits of a three-digit number as hundreds,
tens, and ones
 Count forward and backward within 1000
 Skip-count by 5s, 10s, and 100s
 Read and write numbers to 1000 using base-ten numerals,
number names, and expanded form (MA10-GR.2-S.1-GLE.1EO.a.iv)
S.1-GLE.1-EO.a.i
S.1-GLE.1-EO.a.ii
S.1-GLE.1-EO.a.iii
S.1-GLE.1-EO.a.iv
Comparison
 Compare two three-digit numbers based on meanings of the
hundreds, tens, and ones digits, using >, =, and < symbols to
record the results of comparisons.
Addition and Subtraction
 Fluently add and subtract within 100 using strategies based
on place value understanding, properties of operations,
and/or the relationship between addition and subtraction
 Add up to four two-digit numbers using strategies based on
place value and properties of operations
 Add and subtract within 1000 using concrete models or
drawings, strategies based on place value, properties of
operations, and/or the relationship between addition and
subtraction
 Make connections between solution strategies and written
representations of addition and subtraction within 1,000
 Explain why addition and subtraction strategies work, using
place value and the properties of operations
 Mentally add 10 or 100 to a given number 100–900, and
mentally subtract 10 or 100 from a given number 100–900
 Increase or decrease three-digit numbers by multiples of 10
or 100 by applying the concept of addition and subtraction
of single digit numbers and by utilizing concepts of place
value
S.1-GLE.1-EO.a.v
S.1-GLE.1-EO.b.i
S.1-GLE.1-EO.b.ii
S.1-GLE.1-EO.b.iii
S.1-GLE.1-EO.b.v
S.1-GLE.1-EO.b.iv