duminică, 14 octombrie 2012

Themes to be included in the materials will be presented in the contest “Mathematical Variety” 2012 - 2013



Natural numbers
·         Operations with natural numbers: addition, subtraction, multiplication, division facts
                mixed operations, sequences, patterns . Write numbers in words
·          Ordinal numbers to 100th
·          Roman numerals I, V, X, L, C, D, M
·         Complete the addition, subtraction, multiplication, or division sentence
·          Addition, subtraction, multiplication, and division word problems
·          Interpret data in tables
·          Multi-step word problems
·          Missing operators
·          Even and odd I
·          Even and odd II
·          Skip-counting puzzles
·          Number sequences
·          Put numbers in order
·          Which number is greatest/least?
·          Comparing numbers
·          Comparing - with addition and subtraction
·          Multi-step inequalities
·         Convert between standard and scientific notation
·         Compare numbers written in scientific notation
·         Prime or composite
·         Identify factors
·         Prime factorization
·         Prime factorization with exponents
·         Greatest common factor
·         Least common multiple
·         GCF and LCM: word problems

   Mixed operations
·      Add, subtract, multiply, divide
·      Addition, subtraction, multiplication, and division word problems
·      Estimate sums, differences, products, and quotients: word problems
·      Multi-step word problems
·      Word problems with extra or missing informatio
            Solve word problems using guess-and-check
·      Choose numbers with a particular sum, difference, product, or quotient
·      Mentally add and subtract numbers ending in zeroes
·      Inequalities involving addition, subtraction, multiplication and division
Real numbers
·       Operations whith numbers from N, Z, Q,I, R: sums, decreases, products, quotients,     
      powers, radicals.
·       Addition: fill in the missing digits
·       Properties of addition
·       Add 3 or more numbers up to millions
·       Addition patterns over increasing place values
·       Choose numbers with a particular sum
·       Estimate sums
·       Estimate sums: word problems
·       Subtract numbers up to millions
·       Subtract numbers up to millions: word problems
·       Subtraction: fill in the missing digits
·       Subtraction patterns over increasing place values
·       Choose numbers with a particular difference
·       Estimate differences
·       Estimate differences: word problems
·       Multiplication facts to 12
·       Missing factors - facts to 12
·       Choose the multiples of a given number up to 12
·       Identify factors
·       Multiply 1-digit numbers by larger numbers
·       Multiplication patterns over increasing place values
·       Properties of multiplication
·       Estimate products
·       Estimate products: word problems
·         Multiply a 2-digit number by a 2-digit number: complete the missing steps
·         Multiply a 2-digit number by a 2-digit number
·         Multiply a 2-digit number by a 2-digit number: word problems
·         Choose numbers with a particular product
·         Multiply a 2-digit number by a larger number: complete the missing steps
·         Multiply a 2-digit number by a larger number
·         Multiply a 2-digit number by a larger number: word problems
·         Multiply numbers ending in zeroes
·         Multiply numbers ending in zeroes: word problems
·         Multiply 3 numbers up to 2 digits each
·         Inequalities with multiplication
·         Division facts to 12
·         Division facts to 12: word problems
·         Properties of division
·         Divide larger numbers, one-digit divisors
·         Divide larger numbers, one-digit divisors: word problems
·         Divide by 1-digit numbers: complete the table
·         Divide by 1-digit numbers: interpret remainders
·         Choose numbers with a particular quotient
·         Divide numbers ending in zeroes, one-digit divisors
·         Estimate quotients, one-digit divisors
·         Divisibility rules
·         Division patterns over increasing place values
·         Divide numbers ending in zeroes, multi-digit divisors
·         Divide numbers ending in zeroes, multi-digit divisors: word problems
·         Divide 2-digit numbers by multiples of 10
·         Divide by 2-digit numbers
·         Divide by 2-digit numbers: word problems
·         Divide larger numbers by 2-digit numbers
·         Divide larger numbers by 2-digit numbers: word problems
·         Inequalities with division
·         Estimate quotients
·         Write multiplication expressions using exponents
·         Evaluate exponents
·         Exponents: solve for the variable
·         Exponents with decimal bases
·         Exponents with fractional bases
·         Understanding negative exponents
·         Evaluate negative exponents
·         Advanced exponents
·         Square roots of perfect squares
·         Estimate square roots
·         What decimal number is illustrated?
·         Understanding decimals expressed in words
·         Place values in decimal numbers
·         Equivalent decimals
·         Decimal number lines
·         Convert fractions and mixed numbers to decimals
·         Convert decimals to fractions and mixed numbers
·         Compare decimals and fractions
·         Round decimals
·         Compare decimal numbers
·         Repeating decimals
·         Put assorted decimals, fractions, and mixed numbers in order
·         Put decimal numbers in order
·         Number sequences involving decimals
·         Solve decimal problems using diagrams
·         Add decimal numbers
·         Subtract decimal numbers
·         Add and subtract decimals: word problems
·         Choose decimals with a particular sum or difference
·         Add 3 or more decimals
·         Add 3 or more decimals: word problems
·         Complete the addition or subtraction sentence
·         Inequalities with addition and subtraction
·         Estimate sums and differences of decimals
·         Add and subtract whole numbers up to billions
·         Add and subtract whole numbers: word problems
·         Add and subtract money amounts
·         Add and subtract money: word problems
·         Complete addition and subtraction sentences
·         Fill in the missing digits
·         Choose numbers with a particular sum or difference
·         Properties of addition
·         Inequalities with addition and subtraction
·         Estimate sums and differences of whole numbers
·         Estimate sums and differences: word problems
·         Multiply by 1-digit numbers
·         Multiply by 1-digit numbers: word problems
·         Multiplication patterns over increasing place values
·         Multiply numbers ending in zeroes
·         Multiply numbers ending in zeroes: word problems
·         Properties of multiplication
·         Choose numbers with a particular product
·         Estimate products
·         Estimate products: word problems
·         Multiply by 2-digit numbers: complete the missing steps
·         Multiply a 2-digit number by a 2-digit number
·         Multiply a 2-digit number by a larger number
·         Multiply by 2-digit numbers: word problems
·         Multiply three or more numbers up to 2 digits each
·         Multiply by 3-digit numbers
·         Multiply three numbers up to 3 digits each
·         Multiply three or more numbers: word problems
·         Inequalities with multiplication
·         Estimate products of decimals
·         Multiply a decimal by a power of ten
·         Multiply a decimal by a one-digit whole number
·         Multiply a decimal by a multi-digit whole number
·         Multiply decimals and whole numbers: word problems
·         Multiply money amounts: word problems
·         Multiply three or more numbers, one of which is a decimal
·         Multiply two decimals using grids
·         Multiply two decimals
·         Inequalities with decimal multiplication
·         Division facts to 12
·         Division facts to 12: word problems
·         Divide multi-digit numbers by 1-digit numbers
·         Divide multi-digit numbers by 1-digit numbers: word problems
·         Divide by 1-digit numbers: interpret remainders
·         Estimate quotients: word problems
·         Division patterns over increasing place values
·         Divide numbers ending in zeroes
·         Divide numbers ending in zeroes: word problems
·         Divide by 2-digit numbers
·         Divide by 2-digit numbers: word problems
·         Divide money amounts: word problems
·         Estimate quotients
·         Choose numbers with a particular quotient
·         Divide by powers of ten
·         Decimal division patterns over increasing place values
·         Division with decimal quotients
·         Division with decimal quotients and rounding
·         Division with decimal quotients: word problems
·         Understanding integers
·         Absolute value and opposite integers
·         Number lines with integers
·         Compare and order integers
·         Integer addition and subtraction rules
·         Add integers - using counters
·         Add integers
·         Subtract integers - using counters
·         Subtract integers
·         Add and subtract integers - input/output tables
·         Add three or more integers
·         Integer multiplication rules
·         Multiply integers
·         Integer division rules
·         Divide integers
·         Compare rational numbers
·         Put rational numbers in order
·         Absolute value of rational numbers
·         Add and subtract rational numbers
·         Multiply and divide rational numbers
·         Equations and inequalities with solutions in N, Z, Q,I, R.
 Properties
·         Solve problems using the properties of: addition, subtraction, multiplication, division terms
·         Understanding parentheses
Place values and number sense     
·         Place values
·         Convert between place values
·         Word names for numbers
·         Compare numbers up to billions
·         Roman numerals
·         Prime and composite numbers
·         Rounding
·         Even and odd arithmetic patterns
·         Understanding integers
·         Compare integers
·         Put integers in order
·         Scientific notation
·         Inequalities with number lines
·         Compare numbers up to billions
Logical reasoning
·         Guess the number
·         Largest/smallest number possible
·         Find the order
·         Age puzzles
·         Guess two numbers based on sum and difference
·         Guess two numbers based on sum, difference, product, and quotient
Fractions
·         Halves, thirds, and fourths
·         Equal parts
·         Simple fractions: what fraction does the shape show?
·         Simple fractions: parts of a group
·         Fractions - word problems
·         Compare fractions Equivalent fractions
·         Reduce fractions to simplest form
·         Convert between improper fractions and mixed numbers
·         Least common denominator
·         Compare fractions and mixed numbers
·         Put fractions in order
·         Arithmetic sequences with fractions
·         Geometric sequences with fractions
·         Round mixed numbers
·         Reciprocals
·         Simple fractions: which shape matches the fraction?
·         Add and subtract fractions with like denominators
·         Add and subtract fractions with like denominators: word problems
·         Add 3 or more fractions with like denominators
·         Add fractions with unlike denominators
·         Subtract fractions with unlike denominators
·         Add and subtract fractions with unlike denominators: word problems
·         Add 3 or more fractions with unlike denominators
·         Add 3 or more fractions with like and unlike denominators: word problems
·         Find the missing numerator or denominator in addition and subtraction sentences
·         Add and subtract mixed numbers with like denominators
·         Add and subtract mixed numbers with unlike denominators
·         Add and subtract mixed numbers with like and unlike denominators: word problems
·         Inequalities with addition and subtraction of fractions
·         Recipes
·         Multiply fractions by whole numbers I
·         Multiply fractions by whole numbers II
·         Multiply fractions by whole numbers: word problems
·         Multiply three or more fractions and whole numbers
·         Complete the fraction multiplication sentence
·         Estimate products of mixed numbers
·         Multiply a mixed number by a whole number
·         Multiply a mixed number by a fraction
·         Multiply two mixed numbers
·         Multiply three or more mixed numbers, fractions, and/or whole numbers
·         Multiplication with mixed numbers: word problems
·         Complete the mixed-number multiplication sentence
·         Divide fractions by whole numbers
·         Divide fractions by whole numbers: word problems
·         Divide whole numbers by fractions
·         Divide two fractions
·         Divide fractions and mixed numbers
·         Complete the division sentence
·         Divide fractions and mixed numbers: word problems
·         Add, subtract, multiply, and divide whole numbers
·         Add, subtract, multiply, and divide whole numbers: word problems
·         Add, subtract, multiply, and divide decimals
·         Add, subtract, multiply, and divide decimals: word problems
·         Add, subtract, multiply, and divide fractions and mixed numbers
·         Add, subtract, multiply, and divide fractions and mixed numbers: word problems
·         Recipes with fractions
 Ratios, proportions, and percents
·         Determine the ratio
·         Ratio tables
·         Ratios: word problems
·         Equivalent ratios
·         Proportions
·         Unit rates and equivalent rates
·         Scale drawings
·         What percentage is illustrated?
·         Convert between percents, fractions, and decimals
·         Percent of a number
·         Percent of a number: word problems
·         Compare percentages
Estimation and rounding
·      Estimate to the nearest ten
·      Round to the nearest ten
·      Round to the nearest ten or hundred
·      Round to the nearest ten, hundred, or thousand
·      Estimate sums, decreases, products, quotients, powers, radicals
·      Round money amounts
·      Rounding puzzles
·      Solve inequalities using estimation
Algebra
·      Write variable expressions
·      Write variable expressions: word problems
·      Evaluate variable expressions
·      Simplify expressions using order of operations and parentheses
·      Write variable equations to represent word problems
·      Solve variable equations
·      Simplify expressions using order of operations and parentheses
·      Write equations to represent word problems
·      Solve equations I
·      Solve equations II
·      Function tables
·      Convert graphs to input/output tables
·      Write linear functions
·      Graph linear functions
·      Evaluate functions
·      Write multiplication expressions using exponents
·      Evaluate exponent expressions
·      Complete the exponent expression
 Functions
·      Input/output tables with addition, subtraction, multiplication, and division
·      Function tables
·      Write linear functions
·      Graph linear function
Geometry
·      Identify 2-dimensional shapes
·      Identify 3-dimensional figures
·      Identify planar and solid shapes
·      Geometry of everyday objects
·      Relate planar and solid figures
·      Open and closed shapes
·      Flip, turn, and slide
·      Same shape
·      Similar and congruent
·      Open and closed shapes and qualities of polygons
·      Which 2-dimensional shape is being described?
·      Which 3-dimensional shape is being described?
·      Count and compare sides, edges, faces, and vertices
·      Number of sides in polygons
·      Is it a polygon?
·      Regular and irregular polygons
·      Lines, line segments, and rays
·      Parallel, perpendicular, intersecting
·      Types of angles
·      Acute, right, obtuse, and straight angles
·      Angles of 90, 180, 270, and 360 degrees
·      Measure angles with a protractor
·      Estimate angle measurements
·      Adjacent angles
·      Complementary and supplementary angles
·      Transversal of parallel lines
·      Angles: greater than, less than, or equal to a right angle
·      Find the unknown angle in triangles and quadrilaterals
·      Types of triangles . Triangles: equilateral, isosceles, and scalene
·      Triangles: acute, right, and obtuse
·      Classify quadrilaterals
·      Symmetry
·      Reflection, rotation, and translation
·      Perimeter
·      Perimeter: find the missing side length
·      Area of figures made of unit squares
·      Area of rectangles
·      Area of squares and rectangles: word problems
·      Area of complex figures (with all right angles)
·      Area of parallelograms and trapezoids
·      Area of compound figures
·      Area and perimeter of irregular figures
·      Area and perimeter: word problems
·      Compare area and perimeter of two figures
·      Use area and perimeter to determine cost
·      Relationship between area and perimeter
·      Parts of a circle
·      Central angles of circles 
·      Calculate radius, diameter, circumference and area of a circle
·      Area of squares and rectangles
·      Area of complex figures (with all right angles)
·      Nets of 3-dimensional figures
·      Three-dimensional figures viewed from different perspectives
·      Surface area and volume
·      Volume of rectangular prisms made of unit cubes
·      Volume of irregular figures made of unit cubes
·      Volume of cubes and rectangular prisms
·      Rotational symmetry
·      Lines of symmetry
Problem solving
·      Multi-step word problems
·      Word problems with extra or missing information
·      Guess-and-check problems
·      Find the order
·      Use Venn diagrams to solve problems
Data and graphs
·         Record data with tally charts, picture graphs, tables
·         Interpret data in tally charts, picture graphs, tables
·         Read a table
·         Interpret line graphs
·         Create line graphs
·         Interpret bar graphs
·         Create bar graphs
·         Interpret pictographs
·         Create pictographs
·         Interpret histograms
·         Create histograms
·         Interpret line plots
·         Create line plots
·         Frequency charts
·         Stem-and-leaf plots
·         Circle graphs
·         Choose the best type of graph
·         Which bar graph is correct?
·         Coordinate graphs
·         Graph points on a coordinate plane
·         Relative coordinates
·         Coordinate graphs as maps
·         Interpret Venn diagrams
·         Coordinate graphs with decimals and negative numbers
·         Graph points on a coordinate plane
·         Relative coordinates: follow directions
·         Quadrants
 Measurement
·         Read a thermometer
·         Compare objects: length and height
·         Which customary unit of length is appropriate?
·         Customary units of length: word problems
·         Which customary unit of weight is appropriate?
·         Compare and convert cups, pints, and quarts
·         Which metric unit of length is appropriate?
·         Metric units of length: word problems
·         Which metric unit of weight is appropriate? 
·         Which customary unit of volume is appropriate?
·         Which metric unit of volume is appropriate?
·         Choose the appropriate measuring tool
·         Which customary unit is appropriate?
·         Compare and convert customary units of length
·         Compare and convert customary units of weight
·         Compare and convert customary units of volume
·         Conversion tables - customary units
·         Compare customary units by multiplying
·         Compare and convert metric units of length
·         Compare and convert metric units of weight
·         Compare and convert metric units of volume
·         Conversion tables - metric units
Money
·         Money names and values
·         Count bani, lei, euro cents, euro
·         Count pennies, nickels, dimes and quarters
·         Equivalent coins I
·         Equivalent coins II
·         Money - word problems
·         Least number of coins

·         Purchases: do you have enough money?
·         Compare money amounts
·         Round money amounts
·         Add, subtract, multiply, and divide money amounts
·         Multiply money by whole numbers and decimals
·         Multiply money: word problems
·         Divide money amounts
·         Divide money amounts: word problems
·         Making change
·         Price lists with addition, subtraction, multiplication, division
·         Unit price  
 Consumer math 
·         Price lists
·         Unit prices
·         Sale prices
 Patterns
         Recognize patterns
·         Describe patterns
·         Repeating patterns
·         Growing patterns
·         Geometric growth patterns
·         Increasing growth patterns
·         Numeric patterns: word problems
·         Patterns involving addition and multiplication
·         Mixed patterns review
Probability and statistics
·         More, less, and equally likely
·         Certain, probable, unlikely, and impossible
·         Mode and range
·         Data, charts, and graphs
·         Read a table
·         Interpret line graphs
·         Create line graphs
·         Interpret bar graphs
·         Create bar graphs
·         Interpret line plots
·         Create line plots
·         Frequency charts
·         Stem-and-leaf plots
·         Circle graphs
·         Choose the best type of graph
·         Calculate probability
·         Make predictions
·         Calculate mean, median, mode, and range
·         Mean, median, mode, and range: find the missing number
·         Interpret charts to find mean, median, mode, and range
·         Make predictions
·         Probabilities of compound
·         Interpret charts to find mean, median, mode, and range
·         Combinations
Sorting, ordering, and classifying
·         Venn diagrams
·         Put numbers in order
 Time
·         Days of the week
·         Reading clocks
·         Time words: o'clock, half, quarter
·         Match clocks and times
·         Times of everyday events
·         Match analog and digital clocks
·         A.M. or P.M.
·         Compare clocks
·         Time and clocks: word problems
·         Choose the appropriate time units
·         Seasons of the year
·         Read a calendar
·         Months of the year
·         Number of days in each month
·         Relate time units
·         Convert time units
·         Add and subtract mixed time units
·         Fractions of time units
·         Time zones
·         Elapsed time
·         Find start and end times: multi-step word problems
·         Schedules and time lines
·         Transportation schedules
·         Time patterns
 
                                                                      Selected by, Teodora Cosma
 This list will be revised and completed. This is the first form of editing in order to guide the project activities.

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