Iowa Classrooms
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Math

Math
Maths Dictionary for Kids.
Math Grade K 
Download an editable version (RTF file)
 
Standard 1: Understands and applies problem solving strategies
.Interval Benchmark 1: Uses a variety of strategies to solve problems
Grade Level Benchmark Vocabulary Information Skills Classroom Resources
(Additional resources)
AEA Resources
a: Applies problem solving strategies
  ITBS ***
  • act it out

  • make or use a model

  • find or use a pattern

  • draw a picture

  • guess and check

  • make a chart, table, graph, or organized list

  • use logical reasoning

  •  
  • Knows there are many ways to solve problems
  • Knows the steps of each strategy
  •  

  • Poses problems to generate new questions in problem situations
  • Listens to others to see different ways to solve the same problem
  • Chooses an appropriate strategy (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Justifies the process used to solve a numerical problem
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses concrete objects and pictures to explain reasoning
  • problem solving

  • reasoning

  •  
  • Knows that objects and pictures can be used to help explain how a problem was solved
  •  

  • Uses concrete objects and pictures to show how a problem was solved
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 2: Understands and applies concepts of numbers and operations
    .Interval Benchmark 1: Describes the properties of numbers and number systems
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Applies counting rules
      ITBS ***
  • numbers to 31

  • count

  • set

  • skip counting

  • twos

  • fives

  • tens

  • backward

  • forward

  •  
  • Understands one-to-one correspondence
  • Understands skip counting
  • Understands counting backward
  • Understands counting by twos to count pairs in a diagram
  •  

  • Counts forward to 31 (ITBS)
  • Counts backward from 10
  • Counts by twos, fives, and tens to 50
  • Counts the number of objects in a set (ITBS)
  • Gives missing numbers in a sequence (ITBS)
  • Matches pairs-to-one correspondence in a diagram (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    b: Uses number theory
  • odd

  • even

  • pair

  •  
  • Understands the concept of odd and even numbers
  •  

  • Uses concrete objects to identify odd and even numbers
  • Identifies pairs of objects
  •  

     
  • AEA9
  • AEA16
  •  

    c: Uses place value to two-digit numbers
      ITBS *
  • numbers to 31

  •  
  • Understands the base-ten place value system for two-digit numbers
  •  

  • Reads and writes numbers to 31 (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    d: Compares and orders numbers
      ITBS *
  • compare

  • one more

  • one less

  • 1st to 6th

  •  
  • Understands the concept of one more and one less
  • Knows objects can be placed in order and identified by their position
  •  

  • Compares sets using objects (ITBS)
  • Identifies one more or one less (ITBS)
  • Identifies ordinal position 1st to 6th (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    e: Represents numbers
      ITBS *
  • numbers to 31

  •  
  • Knows the number of objects in a set can be represented by a number
  •  

  • Writes numerals 0-9 (ITBS)
  • Relates numbers to objects
  •  

     
  • AEA9
  • AEA16
  •  

    f: Understands fraction concepts
      ITBS *
  • fraction

  • half

  • equal pieces

  • fourth

  •  
  • Knows fractions represent part of a whole
  • Recognizes pictures of real objects cut into halves or fourths
  •  

  • Identifies 1/2 or 1/4
  • Relates fractional drawings of objects to story situations (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Understands the properties of operations
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Applies the properties of addition and subtraction
  • add

  • subtract

  • combine

  • take away

  •  
  • Knows combining and decomposing
  • Understands the effects of adding and subtracting whole numbers
  •  

  • Adds by combining objects
  • Subtracts by taking away objects
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 3: Computes fluently and makes reasonable estimates
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Adds and subtracts whole numbers
  • add

  • subtract

  • number

  •  
  • Knows the effects of adding and subtracting objects
  •  

  • Adds and subtracts to 10 using concrete objects
  • Recognizes the plus sign and minus sign
  •  

     
  • AEA9
  • AEA16
  •  

    b: Applies mental strategies to perform addition and subtraction
  • one more

  • one less

  •  
  • Knows adding and subtracting can be done mentally
  •  

  • Mentally adds and subtracts one more or one less
  •  

     
  • AEA9
  • AEA16
  •  

    c: Uses estimation strategies
  • estimate

  • about

  • near

  • more than

  • less than

  •  
  • Knows when an estimate is reasonable
  •  

  • Explores the concept of estimation
  • Finds numbers that are between two others
  •  

     
  • AEA9
  • AEA16
  •  

    d: Solves addition and subtraction problems
      ITBS *
  • story problem

  • problem

  • solve

  •  
  • Knows story problems can be solved using math
  •  

  • Solves addition and subtraction story problems using diagrams (ITBS)
  • Solves multiple-step addition problems (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 3: Understands and applies concepts of measurement
    .Interval Benchmark 1: Understands measurable attributes and the process of measurement
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Compares and orders objects according to their measurable attributes
      ITBS **
  • length

  • weight

  • time

  • capacity

  • temperature

  • heavier

  • lighter

  • longer-than

  • shorter-than

  • full

  • empty

  • hotter

  • colder

  • bigger

  • smaller

  •  
  • Understands and compares relative measures of weight, length, time, capacity, and temperature
  • Knows seconds are shorter than minutes and minutes are shorter than hours
  •  

  • Compares weights of objects using a balance scale
  • Compares and orders objects according to length and weight (ITBS)
  • Compares duration of events such as which takes more time and which takes less time
  • Compares capacity using non-standard forms of measurement
  • Compares temperature from one day to the next
  • Chooses the unit of time that is shortest
  •  

     
  • AEA9
  • AEA16
  •  

    b: Applies the process of measurement
      ITBS *
  • identify

  • attribute

  • measure

  • most

  • least

  •  
  • Understands there is a process to be used when measuring objects
  •  

  • Identifies the attribute to be measured
  • Chooses an appropriate unit
  • Compares unit with the object being measured
  • Determines the most or least from a set of diagrams (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Uses a variety of techniques for measurement
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Recognizes and writes money amounts
      ITBS *
  • penny

  • nickel

  • dime

  • quarter

  • one-dollar bill

  • dollar sign

  • cent sign

  •  
  • Understands different coins represent different amounts of money
  • Understands money can be written in different ways
  •  

  • Identifies pennies, nickels, dimes, and quarters (ITBS)
  • Counts pennies and nickels to ten cents
  • Identifies the dollar sign and cents sign
  • Writes money amounts using the cents sign
  •  

     
  • AEA9
  • AEA16
  •  

    b: Describes time using familiar words
  • hour

  • minute

  • hour hand

  • minute hand

  • calendar

  • days of the week

  • months of the year

  • before

  • after

  • today

  • yesterday

  • tomorrow

  • morning

  • afternoon

  • evening

  •  
  • Knows the features of analog and digital clocks
  • Knows the main features of a calendar
  • Knows the days of the week and months of the year
  • Understands relative time intervals and relationships
  •  

  • Places events in sequence, such as before and after, first, and last
  • Reads a clock face and tells time to the hour
  • Knows the days of the week and months of the year
  • Describes time such as today, yesterday, and tomorrow
  •  

     
  • AEA9
  • AEA16
  •  

    c: Uses instruments of measurement
      ITBS *
  • measure

  • ruler

  • scale

  • thermometer

  • temperature

  • inch

  • pound

  • ounce

  • measuring cup

  • tape measure

  •  
  • Knows every day objects can be used for measurement
  • Knows how to select and use standard tools to measure objects
  • Knows how to select an appropriate tool for the attribute being measured
  • Knows how to recognize hours
  •  

  • Measures length using non-standard units
  • Measures length in inches
  • Measures weight in pounds
  • Uses a thermometer to measure temperature
  • Uses repetition of a single unit to measure something larger than the unit
  • Recognizes a tape measure measures length(ITBS)
  • Recognizes hours on a clock face
  • Recognizes a measuring cup measures ounces (ITBS)
  •  

  • Introduction to Measurement
  •  

  • AEA9
  • AEA16
  •  

    d: Makes measurement estimates and checks for accuracy
  • estimate

  • same

  •  
  • Understands common referents can be used to make estimates
  •  

  • Estimates length in feet, weight in pounds, and time to the nearest hour and then measures to check accuracy
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 4: Understands and applies properties of geometry
    .Interval Benchmark 1: Identifies similarities and differences between simple geometric shapes
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Names common plane and solid shapes
      ITBS *
  • shape

  • circle

  • square

  • triangle

  • rectangle

  • sphere

  • cube

  • pyramid

  • prism

  • rectangluar prism

  • cone

  •  
  • Knows the names of plane and solid shapes
  •  

  • Recognizes and names common plan and solid shapes (ITBS)
  •  

  • Introduction to Geometry
  •  

  • AEA9
  • AEA16
  •  

    b: Compares plane and solid shapes by their physical attributes
  • attributes

  • compare

  • alike

  • different

  • size

  • color

  • sides

  • corner

  • round

  • edge

  •  
  • Understands shapes are closed figures made up of lines and corners
  • Knows attritibutes and are used to compare shapes
  •  

  • Compares and sorts plane and solid shapes
  • Recognizes plane and solid shapes in different positions
  •  

  • Introduction to Geometry
  •  

  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Uses coordinate geometry to describe relationships
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses positional words to locate objects
  • front

  • back

  • over

  • under

  • in

  • out

  • above

  • below

  • around

  • on

  • between

  • next to

  • up

  • down

  •  
  • Understands positional words can be used to locate objects
  •  

  • Gives and responds to directions about location
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 3: Identifies transformations and symmetry
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Recognizes slides, flips and turns
      ITBS *
  • slide

  • flip

  • turn

  •  
  • Understands a slide is a movement of a shape in a linear direction
  • Understands a flip is a mirror image of the original shape
  • Understands a turn is a rotation of the shape
  •  

  • Recognizes shapes from different perspectives (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    b: Recognizes shapes have symmetry
  • symmetry

  •  
  • Knows shapes have symmetry
  •  

  • Identifies shapes that have symmetry
  •  

  • Introduction to Symmetry
  •  

  • AEA9
  • AEA16
  •  

    .Interval Benchmark 4: Uses geometric reasoning to solve problems
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Describes objects in the environment by using common shapes
      ITBS **
  • circle

  • square

  • triangle

  • rectangle

  • sphere

  • cube

  • prism

  •  
  • Knows that shapes in the environment are composed of basic shapes
  •  

  • Describes complex shapes in terms of common shapes that make them up (ITBS)
  • Completes a pattern made of geometric shapes (ITBS)
  • Visualizes parts of a whole complex shape (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 5: Understands and applies concepts of data analysis and probability
    .Interval Benchmark 1: Collects, organizes, and displays data to answer a question
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Gathers data to answer questions
  • graph

  • chart

  • sort

  •  
  • Knows data charts and graphs provide information
  •  

  • Sorts objects according to their categories and displays that information on a chart
  • Determines whether the data answers the specific question asked
  •  

     
  • AEA9
  • AEA16
  •  

    b: Represents data to convey results
  • tally mark

  • pictograph

  •  
  • Knows data can be arranged in different ways
  •  

  • Uses data collection tools such as tally marks, counters, or real objects
  • Organizes data according to categories
  • Uses pictographs to display information
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Uses statistical methods to describe data
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Describes the data as a whole
  • most

  • least

  •  
  • Knows a graph organizes data
  •  

  • Describes most, least
  • Makes statements about the data as a whole
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 3: Reads and interprets data
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Reads and interprets information from graphs
  • graph

  • information

  •  
  • Knows the graph represents information
  •  

  • Identifies some bars as taller, longer, or shorter than others
  • Describes the data in a graph
  • Interprets two- and three-dimensional graphs in horizontal and vertical form
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 4: Uses probability concepts
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Identifies the likelihood of an event
  • possible

  • impossible

  •  
  • Knows some events are possible and some are impossible
  •  

  • Answers questions about the likelihood of events
  • Identifies events as being possible or impossible
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 6: Understands and applies concepts of algebra and functions
    .Interval Benchmark 1: Creates and extends simple patterns
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses concrete objects and drawings to create, copy, and extend simple patterns
  • pattern

  • left

  • right

  • paths

  • predict

  • before

  • after

  • next

  • between

  •  
  • Understands patterns can be copied and extended
  •  

  • Copies patterns
  • Explores position and movement
  • Identifies and extends simple geometric patterns
  •  

     
  • AEA9
  • AEA16
  •  

    b: Finds patterns in the environment
  • pattern

  • environment

  •  
  • Knows every day items form a pattern
  •  

  • Identifies patterns found in the environment
  • Repeats patterns in designs
  •  

  • Introduction to Primary Algebra
  •  

  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Sorts, classifies, and orders objects
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Classifies objects according to physical attributes
  • alike

  • not alike

  • belong

  • group

  • sort

  • size

  • shape

  • color

  •  
  • Knows objects can be placed in groups based on a given property
  •  

  • Recognizes and explores color and shapes as properties to classify objects
  • Identifies objects that belong to or do not belong to a group based on a given property
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 3: Uses concrete, pictorial, and verbal representations to understand symbolic notation
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses concrete objects to represent symbolic notations
  • unknown

  • symbol

  •  
  • Knows symbols can be used to represent concrete objects
  •  

  • Writes addition number sentences
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 4: Uses models to represent mathematical situations
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses concrete objects to represent addition and subtraction
      ITBS ***
  • addition

  • subtraction

  •  
  • Knows objects can be used to represent addition and subtraction situations
  •  

  • Adds and subtracts using concrete objects
  • Solves single-step problems (ITBS)
  • Solves multiple-step problems (ITBS)
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 5: Describes change in a variety of situations
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Recognizes qualitative and quantitative change
  • taller-than

  • shorter-than

  • tall

  • taller

  • short

  • shorter

  • more than

  • less than

  •  
  • Understands simple words of comparison
  •  

  • Places objects in order from shortest to tallest
  •  

     
  • AEA9
  • AEA16
  •  

    Standard 7: Communicates and reasons mathematically
    .Interval Benchmark 1: Comprehends mathematical language
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Comprehends mathematical texts
  • graphic organizers

  •  
  • Knows strategies to help learn vocabulary
  • Knows the text is set up to help vocabulary understanding
  •  

  • See Integrating Standards website for Reading: http://integratingstandards.com/standards/reading/index.html
  • Uses graphic organizers to understand mathematical terms
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 2: Expresses ideas using mathematical terms and representations
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Connects ideas to mathematical terms
  • grade level mathematical terms

  •  
  • Knows expressions represent rules and generalizations
  • Knows strategies to organize ideas
  • Knows the characteristics of a well-written solution
  •  

  • Organizes mathematical ideas for understanding by a third party
  • Writes coherent solutions
  • Uses correct mathematical terms, language, and drawings for grade level content
  • Presents solutions using mathematical terms and representations
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 3: Analyzes and evaluates mathematical thinking
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Reviews mathematical thinking
  • clarity

  • reasons

  • evidence

  • solutions

  • characteristics

  •  
  • Knows strategies to organize ideas
  • Knows mathematicians defend solutions
  • Knows the characteristics of a well-written solution
  •  

  • Organizes work and labels drawings to make meaning clear
  • Checks for clarity in solutions and revises
  • Gives reasons for decisions made while solving a problem
  • Considers the solutions of others and learns from them
  • Supports solutions with evidence
  • Answers questions regarding solutions
  •  

     
  • AEA9
  • AEA16
  •  

    .Interval Benchmark 4: Uses technology to enhance mathematical learning
    Grade Level Benchmark Vocabulary Information Skills Classroom Resources
    (Additional resources)
    AEA Resources
    a: Uses tools and technology to solve problems
  • tools and technology appropriate at grade level

  •  
  • Knows how to use the tools and technology
  • Understands a type of tool or technology is more appropriate in certain contexts
  •  

  • Identifies the appropriate tools or technology for the problem situation
  • Uses tools or technology to simply the task
  •  

     
  • AEA9
  • AEA16
  •