Key Math Principles for Math Learners
Key Math Principles for Math Learners
Key Math Principles for Math Learners
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<strong>Key</strong> <strong>Math</strong> <strong>Principles</strong> <strong>for</strong> <strong>Math</strong> <strong>Learners</strong><br />
These are some of the counting principles that your child is learning in<br />
kindergarten. By becoming aware of these principles, you can observe your child’s<br />
understanding and help him/her build a solid foundation of understanding in math.<br />
It is not necessary <strong>for</strong> students in the primary years to know the names of these<br />
concepts, but it will help you, as a parent, to know the foundational understandings<br />
and what I am looking <strong>for</strong> when I observe your child doing math activities.<br />
Stable order – the idea that the counting sequence stays consistent; it is always 1,<br />
2, 3, 4, 5, 6, 7, 8, . . . , not 1, 2, 3, 5, 6, 8.<br />
Order irrelevance – the idea that the counting of objects can begin with any<br />
object in a set and the total will still be the same.<br />
One-to-one correspondence – the idea that each object being counted must be<br />
given one count and only one count. In the early stages, it is useful <strong>for</strong> students to<br />
tag each item with a finger as they count it and to move the item out of the way as<br />
it is counted.<br />
Cardinality – the idea that the last count of a group of objects represents the<br />
total number of objects in the group. A child who recounts when asked how many<br />
candies are in the set that he or she has just counted does not understand<br />
cardinality yet.<br />
Conservation – the idea that the count <strong>for</strong> a set group of objects stays the same<br />
no matter whether the objects are spread out or are close together.<br />
Movement is magnitude – the idea that, as one moves up the counting<br />
sequence, the quantity increases by 1, and as one moves down or backwards in the<br />
sequence, the quantity decreases by 1.<br />
Abstraction – the idea that a quantity can be represented by different things (e.g.,<br />
5 can be represented by 5 like objects, by 5 different objects, by 5 invisible<br />
things [5 ideas], or by 5 points on a line).<br />
Any counting activities you do at home will give you the opportunity to both<br />
observe and to help your child to practise these skills.
There are many ways to give your child opportunities<br />
to count during your routine at home:<br />
Play number games during everyday activities, such as<br />
counting the number of steps, the number of trucks you<br />
see while driving, or counting the number of items going<br />
in the laundry. (up to 10)<br />
Count the number of items that you bought at the store.<br />
Encourage your child to say the number as they take the<br />
item out of the bag or as items go into the grocery cart.<br />
Watch your child play with his/her toys to understand<br />
his/her mathematical knowledge. When your child counts,<br />
does s/he touch each object once? Is his/her voice in<br />
sync with his tag?<br />
Have your child distribute cookies or toys to family<br />
members, with each person getting an equal number. Ask:<br />
How many toys did you get? (look <strong>for</strong> cardinality)<br />
Reading and writing numerals is not our focus at this point in the year. Developing<br />
the key mathematical principles requires using oral language and hands-on activities,<br />
without paper-pencil tasks. Children truly do learn and discover very important<br />
math understandings through play!