2nd Grade 2006 Mathematics Benchmarks

(Revised August 2006)

 

Grading Scale

80% or Higher - Meets Benchmarks

79% or Below – Does Not Meet Benchmarks

 

Mathematic Vocabulary and Resources

 

h     2nd grade ISAT RIT range is 171 to 200

h     Link to:  Complete ISAT Vocabulary List RIT 150-280

h     Link to:  ISAT Resources – Sample test questions

h     Link to:  ISAT Proficiency Levels Chart

h     Link to:  Learning Continuum

h     Link to:  Direct Math Assessment Toolkit

 

Benchmarks are what Lakeland students must know.  They are drawn from Lakeland and State curriculum standards and the ISAT Learning Continuum RIT 150-200.

 

Grading Period:

First Quarter Benchmarks

 

NUMBER SENSE

Read, write, and count to 100

Identify right and left

Identify one more and one less than a number

Identify ordinal position

Identify even and odd numbers

Count by 2’s, 5’s, and 10’s to 100

Count backwards by 1’s from any given number

Read, write and order whole numbers to 1,000

Understand the relationship between addition and subtraction

Compare two or more sets of objects and identify which set is equal to, more than, or less than the other

Identify smaller and larger numbers

Read the number word then write its digits

Fill in the missing numbers of a hundreds chart

 

ESTIMATION/COMPUTATION

Identify Commutative Property of Addition

Solve addition problems using the commutative property

Write addition and subtraction fact families

Demonstrate reversal of operations

Facts: Add 0, 1, 2 and 9; Doubles to 18, Doubles plus 1, Sums of 8, 9 and 10

 

REASONING/PROBLEM SOLVING

Identify, act out, draw pictures and write number sentences for addition and subtraction story problems

Recognize mathematical information and select strategies appropriate for solving a problem

Choose addition or subtraction to solve word problems and explain the choice

 

MEASUREMENT

Identify time relationships: minutes in an hour, hours in a day, days in a week, weeks in a year

Recite the months of the year, in order

Tell and show time to the hour and half hour using digital and analog clock

Identify the time one hour ago and one hour from

Number a clock face

Read a thermometer to the nearest 10 degrees

Identify fractional parts of a whole

Divide a shape in halves, fourths, and eighths

Divide a square in half two different ways

Shade one half of a shape

Count dimes and pennies

Identify equal sized pieces

 

ALGEBRAIC CONCEPTS

Create and read a repeated and colored patterns

Extend patterns and identify the function rule that creates the pattern

Represent vertical notation in a horizontal form

 

GEOMETRY

Name the attributes of pattern blocks

Cover a design using pattern blocks

Compare and order objects by size (area)

Identify polygons

Identify and sort common geometric shapes by attributes

Identify geometric shapes pieces that differ in one way and that are alike in only one way

Identify horizontal, vertical, and oblique lines

Identify position concepts: over, under, inside, outside, in front, behind, top, middle, bottom

Identify geometric shapes

 

DATA ANALYSIS

Create, read and draw a pictograph, bar graph, simple tables and charts

Use tally marks to track a count

 

Suggested Assessments

Meetings 1-35

Lessons 1-35

Written Assessments 1-6

Oral Assessments 1-3

 

Second Quarter Benchmarks

 

NUMBER SENSE

Fill in the missing numbers on a hundreds number chart

Find a missing numbers on a hundred number chart

Identify pairs

Identify tens and ones

Order two-digit numbers

Identify the number and written word of ordinal numbers

Count by 2’s, 5’s and 10’s to 100

Count backwards by 1’s from any given number

Read and write a date using digits

Identify smaller and larger numbers

 

ESTIMATION/COMPUTATION

Fill in the missing addend

Indicate whether a number is above or below a benchmark number of 1,000 or less on a number line

Add two or three single-digit addends

Add 10 to a multiple of 10

Add 10 to a two-digit number

Add a two-digit number using dimes and pennies, with and without regrouping using the addition algorithm

Add three or more single-digit numbers

Add three two-digit numbers

Facts: Sums of 11, 12, 13, 14, and 15. 16, 17 and 18; Subtract 0, 1 and 2

Write addition and subtraction fact families

Identify the Associate Property of Addition

Use strategies for addition and subtraction combinations through 18

 

MEASUREMENT

Weigh objects using nonstandard units

Measure and draw line segments to the nearest inch

Measure line segments to the nearest foot

Read, identify and measure 1 cup and ½ cup, tablespoons, teaspoons and 1/2 teaspoons

Read a thermometer to the nearest two degrees

Identify halves, fourths and eighths of a whole

Identify similarities and differences among coins

Count dimes, nickels and pennies

Name fractional parts of a whole

Write fractions using fraction notation

Trade pennies for dimes

Tell and show time to the hour and half hour using a digital and analog clock

Select a tool that can measure a given attribute (ruler-length; cup-volume; balance-weight; clock-time; thermometer-temperature)

 

PROBLEM SOLVING 

Identify, act out, draw pictures and write number sentences for addition and subtraction story problems

Recognize mathematical information and select strategies appropriate for solving a problem

 

GEOMETRY

Identify a line of symmetry and create a symmetrical design

Make polygons on a geoboard

Identify the angles of a polygon

Identify, create, draw, compare and sort two-dimensional Geometric shapes

Identify and create overlapping Geometric shapes

Identify horizontal, vertical and oblique lines

 

DATA ANALYSIS

Create and read a bar graph

Create and read a Venn diagram

Draw and locate points on a number line

Use tally marks to track and count

 

Suggested Assessments

Meetings 36-70

Lessons 36-70

Written Assessments 7-13

Oral Assessments 4-7

 

Third Quarter Benchmarks

 

NUMBER SENSE

Order three-digit numbers

Show a three-digit number, using base ten blocks

Identify place value through 999

Read, write, order and compare three-digit numbers

Write a number in expanded form through 999

Find one half of a set with an even and odd number of objects

Identify dozen and half dozen

Compare numbers to 999 using comparison symbols (<, >, and =) or word phrases of less than, greater than or equal to

 

ESTIMATION/COMPUTATION

Add or Subtract 10 from a two-digit number

Add two and three, two-digit numbers with a sum greater than 100

Subtract two-digit numbers using pennies and dimes with regrouping

Write addition and subtraction problems vertically and horizontally

Estimate to predict the sum of numbers through 99

Use estimation to evaluate the reasonableness of the sum of numbers through 99

Multiply by 1, 10 and 100

Facts: Subtract 3, 4, 5, 6, 7, 8 and 9

Add a two-digit number using dimes and pennies, with and without regrouping using the addition algorithm

Count the value of a collection of pennies, nickels, dimes and quarters up to $1.00

Add or subtract two-digit numbers through 99 with and without regrouping

Estimate length and time using standard units

 

REASONING/PROBLEM SOLVING

Identify, act out, draw pictures and write number sentences for addition and subtraction story problems

Use estimation to predict computation results

Write number sentences to show equal groups

Use clues to find an answer

Recognize mathematical information and select strategies appropriate for solving a problem

 

MEASUREMENT

Measure and draw line segments to the nearest half-inch

Identify, estimate, and find the capacity of gallon, half-gallon, quart and liter containers

Tell and show time to hour, half hour and five-minute intervals using digital and analog clocks

Measure and draw line segments using feet, inches and centimeters

Write a fraction to show a part of a set

Draw and write money amounts using dollar and cent sign

Count quarters

Read a thermometer to the nearest 2 degrees

Name fractional parts of a whole

Identify a.m., p.m., noon and midnight

 

ALGEBRAIC CONCEPTS

 

GEOMETRY

Cover the same designs in different ways using tangram pieces

Find area of shapes using pattern blocks

Find the perimeter of polygons

Cut a Geometric shape apart and make a new shape

Identify, build, draw, compare, and sort Geometric solids (cone, cube, sphere, cylinder, rectangular solid, and pyramid)

Identify congruent shapes

Sort and classify objects by more than one attribute (size, color, shape)

 

DATA ANALYSIS

Represent a three-digit number pictorially

Read and draw a pictograph with a scale of  2

Write observations from a graph/chart

Create and read a Venn Diagram

 

Suggested Assessment

Meetings 71-105

Lessons 71-105

Written Assessments 14-20

Oral Assessments 8-10

 

Fourth Quarter Benchmarks

 

NUMBER SENSE

Identify the multiples of 2, 3, 4, and 5

Double a number

Divide a set of objects into equal group

Apply rules of divisibility by 2’s

Round numbers to the nearest ten

Write equivalent fractions using pictorial representation

Write improper fractions from picture presentations

Combine and identify the value of a collection of coins and bills up to and including $10.00

Count by 2’s, 5’s and 10’s

 

ESTIMATION/COMPUTATION

Show change from $1.00

Write addition and subtraction problems vertically and horizontally

Add and subtract three and two-digit numbers and/or money amounts with and without regrouping

Facts: Multiply by 0, 2, 3, 4 and 5;  Divide by 2

Multiply by 1’s, 10’s and 100’s

 

REASONING/PROBLEM SOLVING

Identify, act out, draw pictures and write number sentences for addition and subtraction story problems

Draw pictures, act out and write multiplication number sentences to show equal groups

Describe the likelihood of an event

Determine what operation is needed to solve a word problem (addition, subtraction, multiplication)

Recognize mathematical information and select strategies appropriate for solving a problem

 

MEASUREMENT

Tell and show time to the minute and quarter hour using digital and analog clocks

Select the most appropriate unit to measure the time of a given situation (minutes, hours)

Measure weight using customary units and mass using metric units

Count quarters, dimes, nickels and pennies

Show money amounts using quarters, nickels, dimes and pennies in 2 different ways

Represent and write mixed numbers

Measure length to nearest millimeter, centimeter, meter, kilometer

 

GEOMETRY

Identify and name solid figures: sphere, cube, cylinder, cone, rectangular prism

Identify characteristics of plan figures (sides and corners)

Identify intersecting, parallel and perpendicular lines and line segments

Identify right angles

Estimate and find area of a rectangle

Identify and show transformations, translations, reflections and rotations

 

DATA ANALYSIS

Create and read a bar graph with a scale of 2

Predict the outcome and conduct a probability experiment

Evaluate reasonableness of an answer

Make, label and write a number sentence for an array

Choose a survey question and choices

Represent data and record information using a graph

Locate and graph points on a coordinate graph

 

Suggested Assessment

Meetings 106-135

Lessons 106-135

Written Assessments 21-26

Oral Assessments 11-13

 

 

Mathematics Vocabulary

By RIT Score

RIT Scores < 150

and

 

RIT Scores 151 – 160

equals

facts

how many

shape

circle

same as

longest

shortest

how tall

kilometer

meter

time

 

RIT Scores 161 – 170

ones

tens

hundreds

thousands

numeral

ordinal numbers through eleventh

counting

matches

triangle

square

corners

cone

closed

inside

how long

names of days of week

next

names of months

pennies

centimeter

inches

probability

 

RIT Scores 171 – 180

closest

how many

even numbers

same as

fewest

congruent

figure

line segment

area

square units

perimeter

days

week

set

coins

thermometer

temperature

pounds

ounces

pints

quarts

chance

product

number sentence

problem

how many more

multiples

greater than

left

how much

money

answer

about

outside

inside

shape

calendar

picture

 

RIT Scores 181 – 190

ordinal numbers (first, second, third, etc)

odd

one-fourth

one-half

reduce

fractions

order

divisible

round

smallest

largest

lowest terms

greatest common factor

least common multiple

closest

units

set

digit

greater than

greatest

symmetry

point

sides

rectangle

cube

straight

line segment

shortest

about

length

estimate

perimeter

change

quarter

dollars

dozen

feet

yard

grams

meters

cups

gallons

nickel

pennies

dime

tablespoon

hours

minutes

degree

most often

sign

add

subtract

multiply

divide

rate

kilometers

between

equals

cost

time

less than

closest to

equation

weigh

pieces

inches

pounds

miles

sum

quarter

 

RIT Scores 191 – 200

difference

not true

power of 10

thirds

fourths

rounded

thousands

exponential form

mixed number

improper fraction

lowest common denominator

percent

expanded form

prime

factor

proportion

symmetrical

parallel

intersecting

diagonal

pair

angle

cylinder

outside

inside

sphere

faces

corresponding

point

intersect

axis of symmetry

line segment

pentagon

height

width

parallelogram

square

rectangle

triangle

year

ton

seconds

kilogram

distance

miles

liter

average

bar graph

percentage

if-then

product

sum

terms

meter

millimeters

feet

yards

unit of measurement

hundreds

tens

table

graph

length

rectangular

area

square inches

exactly

coins

numeral

even

change

opposite

subtrahend

addend

formula

circle

diameter

operation

total

fact

fraction

surfaces

cube

temperature

ordinal numbers (first – fifth)

equivalent

 

RIT Scores 201 – 210

estimate

round

closest to

sum

of (1/2 of 36)

missing number

pentagon

simplest fraction

biggest

hundredths

one less

decimal numeral

squared

divisible

inequality

expanded numeral

equivalent

point

standard numeral

sequence

intersection

quadrilaterals

octagon

parallelogram

pyramid

isosceles

diameter

geometric

perpendicular

plane

circumference

minutes

decades

milligrams

gram

cubic feet

volume

liters

length

weight

kilometers

millimeters

mass

least often

how many ways

ordered pairs

coordinates

distance formula

input

output

table

associative

equation

product

increased

number line

information not needed

division

odd

prime

cube

pattern

geometric patterns

extra information

 

RIT Scores 211 – 220

smallest

tenth

counting number

portion

fractional part

lowest terms

reciprocal

order

scientific notation

prime factorization

not prime

factor tree

common multiples

greatest common denominator

equivalent

nearest dollar

symmetrical

perpendicular

ray

vertex

rotation

triangular prism

corresponding parts

supplementary

acute angle

transformation

yards

measure of angle

degrees

protractor

centuries

below zero

Celsius

rectangular solid

rectangular prism

decades

ounces

dice

arranged

highest mean

commutative

solve

square numbers

input

output

number sequence

decimals

fractions

what shape

hour

minutes

gallons

average

probability

graph

squares

 

RIT Scores 221 – 230

product

divide

most

if – then

compute

lowest terms

always true

proportion

multiply

between

tens digit

standard numeral

ratio

polygon

circumference

trapezoid

equilateral

similar

obtuse angle

straight angle

slide

reasonable

formula

segment BC

pi

radius squared

metric units

quarts

gallons

rectangular box

base

rate

even numbers

mean

median

integer

intersection

table

frequency

origin

quadrant

absolute value

evaluate

quotient

mortality

odometer

magic square

deducted

less than twice

addends

less than sum

rectangle

diameter

radius

label (units)

area

perimeter

 

RIT Scores 231 – 240

solve for n

transformation

hypotenuse

edge

isosceles

scalene triangle

similar trapezoids

alternate interior angles

sum of angles in triangle

rectangular house

height

base

algebraic expression

rows

columns

checking account

car purchase

commission

simple interest

vertex

fractional part

amount of sales

translation

matrix

possibility

mean salary

coordinates of points

inequality

if-then statement

term in sequence

square numbers

negative coefficient

regression equation

 

RIT Scores 241 – 250

decimal

fractions

opposite

base ten

prime factors

symmetrical halves

diameter

radius

angle bisector

tangent

corresponding parts of congruent triangles

Pythagorean theorem

corresponding angles

complementary angles

construction

doubled

tripled

rectangular solid

cylindrical tank

algebra tiles

inscribed

time-and-a-half

sales tax

discount

coordinate

Venn diagram

greatest decrease

endpoints

midpoint

regression equation

varies inversely as the square

slope of parallel lines

solution to system

factor (used with equations)

matrix

 

RIT Scores 251 – 260

sum of opposites

slope

non-vertical

non-horizontal

midpoint

endpoint

rotational symmetry

reflected

perpendicular bisector

similar triangles

similar trapezoids

similar cylinders

conditional

conclusion of if-then statement

interior of angles

equals 180 degrees

congruent angles

adjacent angles

vertical angles

circumscribed

distance formula

parabola

intercepts

number of solutions

simultaneous equations

counterexample

solution set

sin A

cosine

tangent

discriminant

imaginary solutions

difference of two squares

read solution set from graph

factor completely

 

RIT Scores 261 – 270

infinite non-repeating decimal

postulate

 

RIT Scores > 270

HL

rate of interest

successive discounts