Subitize
Two Types of Subitizing: Perceptual and Conceptual
Perceptual Subitizing: A child without counting sees a pattern of objects and knows the number of objects.
A child sees this pattern and knows it is 5 dots.
Conceptual Subitizing: A child without counting is able to conceptually combine two patterns and know the total.
Achild will see these two patterns and know they total 8.
Let's Play a Game
Play
Early Number Trajectory
1 to 1 Correspondence- Using counters. Have children touch the counters as they count and move them out of the way.
Early Number Trajectory continued
Counting On- The child may know how to subitize. The child recognizes patterns of objects up to 6.
They can grab those numbers with hand and count counters to find the total.
Counting On
Make a Ten
A child will use a ten fame to do this problem. 5+6 The child will fill one whole ten frame and have 1 in the other ten frame. 5+6=11
Kids Watch This:
Doubles + or - 1
Doubles + 1 Video
Frequently Asked Questions FAQs
1. What is addition? Addition is a way of combining things and counting them together as one large group. 2. What is the addition symbol? + is the symbol used to indicate the addition of numbers. Stated as "plus" 3. What are addends? These are the two numbers that are added together. The addends in 2+5=7 are 2 and 5 4. What is the sum? The total we get when we add two addends (numbers). 5. What is =? This symbol means equals. The equal sign in math is a sign that shows the equality between two expressions.
Addition Concept
Emily Hays
Created on March 3, 2024
SPE 450 Section 899 Module 7.2
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Transcript
Subitize
Two Types of Subitizing: Perceptual and Conceptual
Perceptual Subitizing: A child without counting sees a pattern of objects and knows the number of objects.
A child sees this pattern and knows it is 5 dots.
Conceptual Subitizing: A child without counting is able to conceptually combine two patterns and know the total.
Achild will see these two patterns and know they total 8.
Let's Play a Game
Play
Early Number Trajectory
1 to 1 Correspondence- Using counters. Have children touch the counters as they count and move them out of the way.
Early Number Trajectory continued
Counting On- The child may know how to subitize. The child recognizes patterns of objects up to 6.
They can grab those numbers with hand and count counters to find the total.
Counting On
Make a Ten
A child will use a ten fame to do this problem. 5+6 The child will fill one whole ten frame and have 1 in the other ten frame. 5+6=11
Kids Watch This:
Doubles + or - 1
Doubles + 1 Video
Frequently Asked Questions FAQs
1. What is addition? Addition is a way of combining things and counting them together as one large group. 2. What is the addition symbol? + is the symbol used to indicate the addition of numbers. Stated as "plus" 3. What are addends? These are the two numbers that are added together. The addends in 2+5=7 are 2 and 5 4. What is the sum? The total we get when we add two addends (numbers). 5. What is =? This symbol means equals. The equal sign in math is a sign that shows the equality between two expressions.