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Teaching students how to sort and classify objects into groups requires an understanding of categories. Categories can be defined as a group, class, or division of people or things that have shared characteristics. For example, a chicken, a goose, a duck, and a parrot have different appearances, but they are all birds. Therefore, they fall into the same category of birds.
See the fact file below for more information on the comparing and sorting objects or alternatively, you can download our 22-page Measurement and Data: Comparing and Sorting Objects K.MD.3 worksheet pack to utilise within the classroom or home environment.
Key Facts & Information
- Learners are able to sort objects that are the same. Count the number of objects in each category, and sort the categories by the count.
A NOTE FOR THE TEACHER
- When teaching comparing and sorting objects, try the following in your lesson:
- Ensure that students are using their vocabulary to clearly explain how they arrive at their groupings. It’s important they describe their logic so that you can correct them where needed.
- For this standard, object groupings should be within or equal to 10.
- Teaching students how to sort and classify objects into groups requires an understanding of categories. Categories can be defined as a group, class, or division of people or things that have shared characteristics. For example, a chicken, a goose, a duck, and a parrot have different appearances, but they are all birds. Therefore, they fall into the same category of birds.
- But let’s start with shapes and sizes. To begin with, gather a pile of buttons and have your students group them into different categories.
- This can be by color, shape, or size.
- For example, sort all the blue buttons into one pile, all the green buttons into another, and the pink buttons into another. Then, count the number of buttons in each pile. They will then say there are 2 pink buttons, 5 blue buttons, and 3 green buttons.
- The next step is for them to further categorize the piles into order from biggest to smallest. So, blue (5) is the biggest, followed by green (3), and pink (2), which is the smallest. You can then introduce more colored buttons, and students can identify which groups have the same number of buttons – this way, they’re learning to differentiate color attributes, but also associate similarities.
- When students have fully grasped this concept, move on to shapes and sorting according to given rules. Provide a variety of shapes and ask the student to sort into categories of hexagons and non-hexagons. They must explain that a hexagon has six sides, while a square only has four, and a circle has none, etc.
- Students should be able to compare and sort objects into given categories.
Measurement and Data: Comparing and Sorting Objects K.MD.3 Worksheets
This is a fantastic bundle that includes everything you need to know about Measurement and Data: Comparing and Sorting Objects across 22 in-depth pages. These are ready-to-use worksheets that align with the Common Core CCSS code K.MD.3 for Measurement and Data: Comparing and Sorting Objects.
Table of contents:
- A lesson plan
- Warm-up activity
- Math theory explained
- Assisted learning activities
- Independent learning activities
- Extension activities and games
- Answer keys
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Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.