Subitizing

What is subitizing?!

Subitizing is the ability to look at a number pattern and instantly recognize that number without counting. Try these activities to help students build this foundational skill:



This activity would work for kindergarten and first grade.  Students must count fish and identify the number that matches.  This website would provide a great jumping off point for discussing how to group objects in order to count them quickly and easily.  This activity falls under the common core standards of Counting and Cardinality (K.CC.1, K.CC.4) and Number and Operations in Base Ten (1.NBT.1, 2.NBT.2).


This site provides printable dot cards and other printable activities for teaching subitizing.  Teachers can find games to be played with dot cards and number talks based around these cards.  This site provides resources that fit the common core standards of Counting and Cardinality (K.CC.1, K.CC.4) and Number and Operations in Base Ten (1.NBT.1, 2.NBT.2).


This site features several activities for students to match dot patterns on ladybugs to numbers.  These activities can also be used to teach number order.  This site provides resources that fit the common core standards of Counting and Cardinality (K.CC.1, K.CC.4) and Number and Operations in Base Ten (1.NBT.1, 2.NBT.2).


Want more?

Listed Below are various downloadable classroom activities that further develop this skill.  Click to open the activities with directions.
 
 
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William Preye,
Oct 4, 2011, 7:19 PM
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William Preye,
Oct 4, 2011, 7:17 PM
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William Preye,
Oct 4, 2011, 6:58 PM
ĉ
William Preye,
Oct 4, 2011, 6:59 PM
ĉ
William Preye,
Oct 4, 2011, 7:17 PM
Ċ
William Preye,
Oct 4, 2011, 7:19 PM
ĉ
William Preye,
Oct 4, 2011, 7:19 PM
Ċ
William Preye,
Oct 4, 2011, 7:18 PM
Ċ
William Preye,
Oct 4, 2011, 7:17 PM
Ċ
William Preye,
Oct 4, 2011, 7:17 PM
Ċ
William Preye,
Oct 4, 2011, 7:18 PM
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