Common Core Math

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Counting and Cardinality


Know number names and the count sequence
  1. Count to 100 by ones and tens.

  2. Count forward beginning from a given number within the known sequence (instead of having to begin at 1).

  3. Write numbers from 0 to 20. Represent a number of objects with a written numeral 0–20 (with 0 representing a count of no objects).


  1.  Count us games  This website has many different games allow you to explore counting.
  2. Count The Fish   This site will allow students to add or subtract fish.  4 star  
  3. Count the Fish Game 2  This is a fun site that will show students how to count.  4 star
  4. Sequences  Find the correct number in a sequence.  Lots of choice over level, count forwards or back, count in whole numbers, multiples of 10 or decimals, including negative numbers.
  5. Counter  This website will allow you to adjust the timer and the number and count as high as you want.
  6. Find a number   Very simple straight forward website.

Count to tell the number of objects

4. Understand the relationship between numbers and quantities; connect counting to cardinality.

a. When counting objects, say the number names in the standard order, pairing each object with one and only one number name and each number name with one and only one object.

b. Understand that the last number name said tells the number of objects counted. The number of objects is the same regardless of their arrangement or the order in which they were counted.

c. Understand that each successive number name refers to a quantity that is one larger.

5. Count to answer “how many?” questions about as many as 20 things arranged in a line, a rectangular array, or a circle, or as many as 10 things in a scattered configuration; given a number from 1–20, count out that many objects.


  1. Counting - Mouse skills needed to drag box car. Audio counts box cars as they are added. Once there are 10 cars, student selects a number and a one-to-one activity is displayed.
  2. Count the Fish Game 2  This is a fun site that will show students how to count.
  3. How Many - Count items; click on the number that match the amount. 1-10 .
  4. Game for Math Website     You will discover many games for students to learn how to count.  4 Star
  5. Nile Math   Discover numbers while playing this website 
  6. Count the numbers and patterns
  7. Caterpillar Ordering  A wonderful game for ordering numbers and for number sequences. Press F11 for full screen view
  8. Number line  Great tool to use to show numbers lines
  9. Game for Math Website     You will discover many games for students to learn how to count.
  10. How Many  Website allowing students to learn to count and compare.

Compare numbers

6. Identify whether the number of objects in one group is greater than, less than, or equal to the number of objects in another group, e.g., by using matching and counting strategies.

7. Compare two numbers between 1 and 10 presented as written numerals




  1. Comparing numbers    Find the numbers and place them in the correct order
  2. Balloon Pop  Comparing numbers which is larger than the other
  3. Comparing numbers   Please the numbers in the correct order.
  4. Mr. Ankler test in comparing  You will discover this website to be good but very challenging.
  5. Comparing numbers website.
  6. Mr.  Anker   Compare numbers Greater than Equal or less than
  7. Comparing Integers  Greater than Equal or less than
  8. Greater or Less than (A)
  9. Greater or Less than (B)
  10. Greater or Less than (C)


Operations and Algebraic Thinking




Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from

1. Represent addition and subtraction with objects, fingers, mental images, drawings, sounds

(e.g., claps), acting out situations, verbal explanations, expressions, or equations.

2. Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.

3. Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

4. For any number from 1 to 9, find the number that makes 10 when added to the given number, e.g., by using objects or drawings, and record the answer with a drawing or equation.

5. Fluently add and subtract within 5



  1. Beginning Addition - This site is for beginners using most-familiar fingers as manipulatives. Audio announces numeral for reinforcement. Audio reply when numeral is selected for the answer. Scroll to the bottom. Click on the Play button beside the name.
  2. Subtraction - from the Little Animals Activity Centre
  3. Subtraction Problems - Small numerals. Subtract the numbers and click on the correct answer.
  4. Find the sum  Nice simple website
  5. Math Popper   Pop the correct answer before time runs out.
  6. Counting on a cloud   Fun game for kids
  7. Farm Addition   Count the farm animals.
  8. Paint Brush Math  Color the answer to get the right score.
  9. Count the Toad   Help the frog jump to the correct answer.  Both Addition and Subtraction.,
  10. Addition  Jet ski addition game  4 Star
  11. Addition   Alien Addition space game used here to help in learning addition.  4 Star
Number and Operations in Base Ten

Work with numbers 11-19 to gain foundations for place value

1. Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (e.g., 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.



  1. Place value 1  Great game for learning numbers values
  2. Place value  Game for learning
Measurement and Data
Describe and compare measurable attributes

1. Describe measurable attributes of objects, such as length or weight. Describe several measurable attributes of a single object.

2. Directly compare two objects with a measurable attribute in common, to see which object has “more of”/“less of” the attribute, and describe the difference. For example, directly compare the heights of two children and describe one child as taller/shorter.


  1. Measuring two objects.   Determine which one is longer and short.
  2. Measuring two Objects     Determine which one is larger or smaller.
  3. Concentration  Game  Match picture with words.
  4. Measure with Paper Clips    Have your students learn how to measure using paper clips.    
  5. Measure with Inches  
  6. Measure with Pounds
  7. Which tool to measure with
  8. Teaching Measures – Choose from three modules; length, mass, and capacity. Each category offers several activities for your large screen display as well as supporting worksheets.
Classify objects and count the number of objects in categories

3. Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.

  1. Math Lingo - Play tic tac toe while learning positional words, more, less and many more math terms
Identify and describe shapes

1. Describe objects in the environment using names of shapes, and describe the relative positions of these objects using terms such as above, below, beside, in front of, behind, and next to.

2. Correctly name shapes regardless of their orientations or overall size.

3. Identify shapes as two-dimensional (lying in a plane, “flat”) or three-dimensional (“solid”).


  1. Shapes - Interactive educational games geared for the beginning of the school year or preschoolers. Students practice their colors and shapes. This site is completely audio so children can work at their own pace independently.
  2. Comparison Game  Students will compare different shapes.
  3. Over, Under, and other spatial concepts - Click and drag on the animals below to move them around the page.
  4. One and in   Click to show this concept as well as on top of beside and many other spatial senses


Analyze, compare, create and compose shapes

4. Analyze and compare two- and three-dimensional shapes, in different sizes and orientations, using informal language to describe their similarities, differences, parts (e.g., number of sides and vertices/“corners”) and other attributes (e.g., having sides of equal length).

5. Model shapes in the world by building shapes from components (e.g., sticks and clay balls) and drawing shapes.

6. Compose simple shapes to form larger shapes. For example, “Can you join these two triangles with full sides touching to make a rectangle?”





  1. Locate triangles, circles and squares in a set of pictures
  2. Shapes - for pre-school . Identify shapes and colors. Audio cues.
  3. Shapes from Pre-School Library
  4. Astronomy Shape Match - click and drag objects to match shape outlines
  5. Oddball - Find the shape that does not match (from FunBrain)
  6. Paint the Shapes - A listening and following directions game identifying shapes and colors.
  7. Put it on the Shelf - Replace the question mark with the shape that matches the outline below.
  8. Shape Match - concentration style game