Subitizing - Task Cards

Grade Levels
PreK - 1st
Standards
Formats Included
  • PDF (57 pages)
$5.99
$5.99
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Description

Subitizing is a skill that greatly helps the development of number sense in early ages. The ability to recognize patterns in groups of objects helps students understand and build upon the concepts of one-to-one correspondence as well as conservation of number.

This resource contains 216 task cards depicting children holding circles with dot images and one poster with student-friendly instructions that can be used in centers.

These task cards should be printed in sturdy card stock and then laminated. Students can either use a dry erase marker to write the numbers on the cards, or they can use the small number cards provided, to match them to each task card.

How to use these task cards:

There are 2 sets of task cards. With the first set the students have to identify the number represented by the dots and write/match the number. With the second set, the students also have to identify the number represented on the card but this time they should circle the dots as they see them and write the numbers as they see them (for example: the student sees 5 as 2 and 3, he/she circles 2 dots and 3 dots, and writes 2 and 3 or 2+3).

Option 1 – Use these cards with students when working individually in a one-to-one conference. Choose a set of cards and allow the student to subitize each group of dots. After they reply correctly, ask them how they see the dots. You should explore the possibilities in combinations (for example, a group of six dots can be seen as 2 and 4, or 2 and 2 and 2, or 3 and 3, and so on). It is also important that you introduce the cards gradually. Start with one dot, two dots, three, and so on. As the students get used to see smaller amounts, they will eventually find it easier to problem solve higher numbers.

Option 2 – Use the task cards in centers. Students can independently work through the cards while practicing their subitizing skills. You can use the poster provided, as a student-friendly guide for your math center.

Option 3 – Allow the students to work in pairs or groups to complete as many cards as possible. You can make it into a competition by challenging your students to see which group completes the highest amount of cards in the same period of time :)

With either set, the students should answer quickly to avoid counting the dots one by one. This will “train” their eyes to see objects in groups.

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Other related resources:

Subitizing - How many to make ten - Task Cards

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Total Pages
57 pages
Answer Key
N/A
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
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.

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