Number Sense and Numeration –
includes solving problems with ratios, proportions, fraction-decimal
relationships, exponents, number theory, place value, and the relationship
between numbers.
Skills and
Concepts
Whole Numbers
 |
Match sets of objects to numerals 0-40 to demonstrate an understanding of
one-to-one correspondence |
 |
Identify and count numbers 0-20 |
 |
Identify and order ordinal numbers (first to tenth) |
Fractions
 |
Identify equal parts of a region (halves, thirds, fourths) |
 |
Represent fractions by using models and drawings |
Ordering, Equalities and
Inequalities
 |
Compare and order numbers and sets of objects 0-10 |
New Vocabulary in this Range:
how many
New Signs and Symbols:
�
for answer
Whole Numbers
·
Identify missing numbers in a series through 100
 |
Identify the number that is “one more than”, “one less than”, “10 more than”,
and “10 less than” a given number |
 |
Count objects that are grouped into tens and ones |
Fractions
 |
Identify one-half of an object from a picture |
Place Value
 |
Identify and understand the place value and value of each digit in numbers
through the hundreds |
Ordering, Equalities and
Inequalities
 |
Order numbers 0-100 |
New Vocabulary in this Range:
ones, tens, hundreds, thousands, numeral, ordinal numbers through eleventh,
counting
New Signs and Symbols:
none
Whole Numbers
 |
Compare two or more sets of objects (up to ten objects in each group) and
identify which set is equal to, more than, or less than the other |
 |
Count and write by 10’s to 100 |
 |
Compare, group, and order whole numbers to 100 by using the symbols for “less
than”, equal to”, and “greater than” (<, =, >) |
 |
Distinguish between odd and even numbers |
 |
Count by 2’s to 20 |
Fractions
·
Identify one-half of an object or set
 |
Identify fractional parts of a region or group |
Place Value, Expanded and Standard
Notation
 |
Write numerals in expanded form through the thousands place |
Ordering, Equalities and
Inequalities
 |
Use
> or < symbols to compare two numbers |
New Vocabulary in this Range:
even numbers, same as, fewest
New Signs and Symbols:
< and > signs, = sign
Whole Numbers
 |
Identify one more and one fewer |
 |
Count and write by 2’s and 3’s |
 |
Complete a number pattern |
 |
Round 2- and 3-digit numbers to the nearest hundred and tens |
 |
Identify the value of Roman Numerals using I, V, and X |
 |
Apply rules of divisibility by 5 |
 |
Identify the greatest common factor of two whole numbers each of which is less
than 100 |
 |
List some common multiples of two whole numbers |
Fractions
 |
Separate regions into sub regions that are equivalent (halves, thirds,
fourths) |
 |
Change a fractional numeral to its simplest form (lowest terms) |
Decimals
·
Identify the greater or lesser of two decimals
Place Value, Expanded and Standard
Notation
 |
Match number words to numerals to the ten thousands place |
·
Identify and understand the place value and value of each digit in
numbers through the hundred thousands
 |
Add
whole numbers using place value |
 |
Identify and understand place value for decimals (tenths, hundredths, and
thousandths) |
Ordering, Equalities and
Inequalities
 |
Order sets of objects 0-20 |
 |
Identify the greater or lesser of two numerals
|
 |
Order numerals through 999 |
 |
Identify the numeral that comes before, between, or after any given numeral
through 999 |
 |
Compare and order fractions* |
 |
Compare and order decimals to the hundredths place |
New Vocabulary in this Range:
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
New Signs and Symbols:
none
Whole Numbers
 |
Order numerals through 9999 |
 |
Count and convert to dozens |
 |
Round 4- and 5-digit numbers to the nearest hundred thousand, thousand,
hundred or ten |
 |
Identify numbers as prime or composite |
 |
Apply rules of divisibility by 2’s |
 |
Complete a factor tree for a number (prime factorization)* |
 |
Understand and demonstrate that many whole numbers break down in different
ways (e.g., 12 = 4 x 3 = 2 x 6 = 2 x 2 x 3) |
 |
Identify the least common multiple of two whole numbers* |
Fractions, Ratio and Proportion
 |
Write equivalent fractions using pictorial representation |
 |
Find equivalent fractions using multiples and factors* |
 |
Write mixed numbers as improper fractions and improper fractions as mixed
numbers* |
 |
Identify the least (lowest) common denominator of two fractions |
 |
Express a fraction as a decimal and vice versa |
·
Solve proportions using the cross product method*
Decimals
 |
Write a decimal for a shaded region (to tenths place) |
 |
Identify and understand place value for decimals (tenths, hundredths, and
thousandths) |
Percents
 |
Model percents using a 10 x 10 grid |
 |
Write a decimal or fraction as a percent and vice versa |
Place Value, Expanded and Standard
Notation
 |
Identify the number and written word for ordinal numbers |
 |
Write numerals in expanded form through the hundred thousands |
 |
Match word names to numerals through billions |
 |
Identify place value using model to count |
·
Add whole numbers using place value
Ordering, Equalities and
Inequalities
·
Identify and understand the greater or lesser of two numerals (use
the symbols < and > through 999,999)
 |
Compare and order fractions and mixed numbers |
Exponents
 |
Exponential representation of 3 multiplied numbers (2x2x2) |
New Vocabulary in this Range:
thirds, fourths, rounded, thousands, exponential form, mixed number, improper
fraction, lowest common denominator, percent, expanded form, prime, factor,
proportion
New Signs and Symbols:
use of dot as a multiplication symbol
Whole Numbers
 |
Round to the nearest millions and billions |
 |
Apply rules of divisibility |
 |
Identify the greatest common factor of two whole numbers each of which is less
than 100 |
 |
Write the Roman numeral equivalent of Arabic numbers 1-2000 and vice versa |
Fractions, Ratio and Proportion
 |
Change a fractional numeral to its simplest form (lowest terms) |
 |
Write the missing number in two equivalent ratios |
 |
Use
a number line to identify a fractional point |
Decimals
 |
Write a decimal for a shaded region (hundredths) |
 |
Write a terminating decimal as a fraction or mixed number |
 |
Round decimals to nearest whole number, tenth, hundredth, or thousandth |
 |
Multiply a decimal by multiples of 10, 100, or 1000 |
Percents
 |
Find a percent of a number |
 |
Write a decimal or fraction as a percent or vice versa |
Place Value, Expanded and Standard
Notation
 |
Understand and identify the place value and value of each digit in numerals
through the billions |
·
Write the word name for a decimal and vice versa
 |
Write numerals in expanded form through the hundred billions |
Ordering, Equalities and
Inequalities
·
Order numbers from least to greatest and greatest to least
 |
Compare and order numbers through the billions |
·
Order decimals and fractions to the hundred thousandths
 |
Identify the greater or lesser of 2 integers |
 |
Ordering integers that include fractions and wholes |
 |
Translate verbal statements into equations (all four operations; several
operations) |
 |
Ordering exponential values |
Exponents and Scientific Notation
 |
Write whole number in exponential form and compute the power of a number |
New Vocabulary in this Range:
missing number, pentagon, simplest fraction, biggest, hundredths, one less,
decimal numeral, squared, divisible, inequality, expanded numeral, equivalent,
point, standard numeral, sequence
New Signs and Symbols:
+ used as positive symbol, - used as negative symbol
RIT scores between 211 and 220
Whole
Numbers
 |
Understand and use rules of divisibility |
 |
Identify the greatest common factor of two whole numbers: list the factors or
prime factorization |
 |
Identify the greatest common factor and least common multiple of two whole
numbers |
Fractions, Ratio and Proportion
 |
Write improper fractions from picture presentations |
 |
Change a fractional numeral to its simplest form (lowest terms) |
Decimals
·
Round monetary amounts to the nearest single coin or bill which
could be used to pay for a purchase up to and including $20.00
 |
Write the decimal equivalent of a fraction and label as repeating or
terminating |
Percents
 |
Express a fraction as a decimal and as a percent |
Ordering, Equalities and Inequalities
 |
Compare and order fractions with the same denominator and with different
denominators |
 |
Order decimals to thousandths; identify the greater or lesser of two decimals
to thousandths |
Exponents and Scientific Notation
 |
Order of “powers” |
 |
Write a whole number or a decimal in scientific notation |
 |
Write a number expressed in scientific notation in standard form |
New Vocabulary in this Range:
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
New Signs and Symbols:
square root symbol
Fractions, Ratio and Proportion
 |
Model and write numerical fractions |
 |
Understand the concept of ratio using concrete and pictorial models |
·
Identify the least common denominator for 3 or more fractions:
list the multiples or prime factorization
 |
Determine if a pair of ratios is equal or not equal using the equivalent
fractions method |
 |
Write the missing number in 2 equivalent ratios |
 |
Solve proportions using the cross product method |
Decimals
 |
Identify and order decimal and fractional coordinates on a number line |
Percents
 |
Write a ratio (fraction) as a percent and a percent as a ratio (fraction):
denominators of 100 |
Integers
 |
Understand the meaning of integers |
Place Value, Expanded and Standard Notation
 |
Match word names to numerals to the hundred thousands in decimals |
Ordering, Equalities and
Inequalities
 |
Order a set of integers from least to greatest |
Exponents and Scientific Notation
 |
Identify and use powers of 10 |
Square Roots
 |
Evaluate expressions using square roots |
New Vocabulary in this Range:
always true, proportion, multiply, between, tens digit, standard numeral, ratio
New Signs and Symbols:
none
Fractions, Ratio and Proportion
 |
Define ratio |
 |
Write ratios in a variety of ways |
Decimals
 |
Write a decimal or mixed decimal for a fraction |
 |
Write a whole number or a decimal in scientific notation (negative exponents) |
Place Value, Expanded and Standard Notation
 |
Write numerals in expanded form through the billions |
 |
Understand and identify place value and value of each digit in numerals
through the hundred billions |
Exponents and Scientific Notation
·
Evaluate expressions using the
order of operations that include exponents
·
Find products by applying rules
for exponents
Square Roots
 |
Identify perfect squares in a list of numbers and calculate the positive
square root of a perfect square |
New Vocabulary in this Range:
none
New Signs and Symbols:
none
Square Roots
 |
Evaluate expressions using square roots |
New Vocabulary in this Range:
Base ten, prime factors
New Signs and Symbols:
none
Exponents and Scientific Notation
 |
Evaluate powers with a negative exponent |
New Vocabulary in this Range:
none
New Signs and Symbols:
none
Percents
 |
Change a percent to a fraction (including mixed numbers) |
Square Roots
 |
Understand properties of square roots |
Irrational Numbers
 |
Define irrational numbers |
New Vocabulary in this Range:
infinite non-repeating decimal
New Signs and Symbols:
none
Exponents and Scientific Notation
 |
Evaluate power of zero |
 |
Identify the lowest common multiple of numbers in their prime factored state |
Set Notation
 |
Use
inequalities to represent set notation |
New Vocabulary in this Range:
none
New Signs and Symbols:
none
|