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Sort objects by two of the following attributes: color, size, shape, and kind.
1.2.1 a |
- Virtual Goose - You must match the egg the goose is sitting to one of the other four eggs. Caution, the eggs will have been turned.
- Zoe's Pet Shelter (Sesame Street) - Zoe has to group animals with similar characteristics. This will work best as a whole class activity. Caution ! This game never ends!
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Describe how objects in a group are alike and how they are different.
1.2.1 b |
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Identify and describe growing patterns found in literature, in the environment, in physical arrangements, and in pictures.
1.2.2 a |
- Brenda's Bedroom Border - complete a pattern
- Patterns - this video lesson explains patterns, and then gives your students the chance to show understanding on several quizzes.

- What Comes Next? - study repeating patterns and click on the one that continues the pattern
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Translate a repeating pattern from one format to another (e.g., red-blue-blue to snap-clap-clap).
1.2.2 b |
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Create, describe, and extend concrete, visual, auditory, or number patterns.
1.2.2 c |
- Missing Numbers - find the missing numbers in a sequence
- What Comes Next? - study repeating patterns and click on the one that continues the pattern
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Identify the unit of a two-part repeating pattern.
1.2.2 d |
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Show or represent number sentences, involving addition and subtraction and numbers 0-20, with concrete objects. |
- Great Equations - Drag the correct numbers to complete given equations . Students select from three or four numbers to complete number sentences.
- Miro on the Move - Miro the Mouse wants to visit the houses from 1 to 10, but one of the numbers is missing. Can you find which number is missing?
- Rabbit Takeaway - [ click Continue to play the game ] subtraction number sentences, rabbits are shown, some run away, find the number left
- Walrus World - learn strategies for solving real world problems
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Use mathematical terms and symbols appropriately.
1.2.3 b |
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Interpret and solve simple open addition sentences, including finding the missing addend.
1.2.3 c |
- Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence.
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Apply the commutative property of addition.
1.2.4 a |
- Sum Sense (Addition) - Students practice single digit addition by dragging numbers to complete the sentence. Students see that the order of the numbers added can be reversed giving the same sum.
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National Library of Virtual Manipulatives |
- Algebra (Grades PreK-2)
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