Development of Pre-Number Concepts
This term describes the ability to recognize the number of objects in a small group without counting.
What is subitizing?
How many counting stages were listed?
4
This term refers to the ability to understand numbers and their relationships.
What is number sense?
What Numbers are considered "benchmark" numbers?
Numbers 5 and 10.
True or False: Estimating can be a difficult concept for children PreK-3rd grade?
False. Most students are able to comprehend estimating by 2nd grade.
These are the two types of subitizing.
What are perceptual and conceptual subitizing?
What theorist are conservation of numbers and concrete operational stage of development based off of?
Jean Piaget
This strategy involves breaking numbers into parts to make calculations easier.
What is decomposition?
This is the smallest number that can be used to count objects
What is one?
What are some useful terms or phrases that can help children understand the concept of estimating?
More than, less than, closer to, about, bigger than, smaller than, almost
This concept involves understanding that the quantity of a set remains the same despite changes in its arrangement or appearance.
What is conservation?
What is Cardinality?
The understanding that the last number counted always gives the number of objects in the group.
This is the process of making an educated guess about a quantity or outcome.
What is estimation?
Our place value is based on what?
Powers of 10.
Why is it helpful to allow students to investigate their unreasonable answers?
Open-ended
This term describes the ability to understand that objects can be grouped based on common attributes.
What is classification?
_________________ is a precursor to composing numbers.
Counting on.
This term refers to the understanding that numbers represent quantities and can be used to compare different sets of objects.
What is magnitude?
What common math tools are used to help children develop fact families for benchmark numbers?
Five-frame and ten-frame
True or False: Is it helpful to provide students with numbers that make sense when teaching estimation?
True
This concept involves recognizing that objects can be arranged in a specific order based on a particular attribute, such as size or color
What is seriation?
Ordinal refers to what type of number meaning?
Which one. Place order. 1st, 2nd, 3rd, etc.
This strategy involves using known number facts to solve new problems.
What is using number relationships?
This term describes the numbers from 1 to 10.
What are single-digit numbers?
Give an example of an age-appropriate activity that will help children build an understanding of estimating.
Open-ended.