Common Core: Counting and Cardinality
As set out by the National Governors Association (NGA) and the Council of Chief State School Officers (CCSSO) in the Common Core State Standards Initiative. For more information, please visit the Counting and Cardinality domain at the Common Core State Standards website.
Series: Ideas at Work
What is a Number Path and How Does It Build Number Relationships?
February 22, 2023
Many of children’s favorite board games follow a path to a goal. Exploring a number path with young children also leads to a goal that is critical for early mathematics: understanding number relationships. What is…
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade
- Tags Games
Series: Ideas at Work June 6, 2022
How to Use Digital Photos to Build a Mathematical Language Routine for Kids
It turns out that mathematical thinking is developed in conversation with others; asking students “how do you know that?” will reveal a child’s mathematical reasoning skills. The ability to explain one’s thinking is a cognitive…
- Topic: Sets, Number Sense
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade, 2nd Grade, 3rd Grade
- Tags English Language Learner, Number Talks
Series: Book Ideas August 18, 2021
Beloved Eric Carle Books Illustrate the Math in Story Time
For over 50 years, millions of children have returned again and again to the books illustrated and written by Eric Carle. Kids can’t get enough of his colorful collages, animal characters, and rhythmic texts.
Series: Focus on the Child May 19, 2021
Why Cardinality is the Goal of Counting
What is cardinality? And how is it related to counting? The common definition of cardinality states that it’s the understanding that the last number word said when counting tells how many in all.
- Topic: Sets, Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten
- Tags Cardinality
Series: Ideas at Work April 14, 2021
DIY Rekenrek Ideas for Home and School
To encourage teachers and other adults to use rekenreks, it's important to not only go over ways to use a rekenrek, but also we thought we would make sure everyone has opportunities to have them,…
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten
- Tags Subitizing, Rekenrek
Series: Focus on Play December 29, 2020
New Use of Quantity Cards for Remote Preschool Math Games
Whether teaching in-person with social distancing or online, the number one question we hear from teachers is how to adapt preschool math games for remote learning. Here are some game ideas that work equally well…
- Topic: Counting, Number Operations
- Age/Grade Level: Pre-K, Kindergarten
- Tags Subitizing, Play, Games, Family Math
Series: Book Ideas August 11, 2020
3 Children’s Books Where Small Numbers Matter
As children start using number words, they don’t always have a sense of what those words really mean. Early on, we guide children to develop a meaningful number sense by focusing on small numbers.
- Topic: Number Sense
- Age/Grade Level: Pre-K, Kindergarten
- Tags Subitizing, Tana Hoban, Family Math, More Fewer Less, Uno Dos Tres/One Two Three, Pat Mora, Two Mice, Sergio Ruzzier, download
Series: Focus on Play June 5, 2020
How to Adapt Math Card Games to Children’s Skill Level
Card games provide meaningful practice of the basic number combinations. These common card games that children learn in school or at home can be revisited many times and can be adapted to children’s own math…
- Topic: Counting, Number Operations
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade, 2nd Grade, 3rd Grade
- Tags Subitizing, Play, Games, Family Math, En Español, download
Series: Ideas at Work May 27, 2020
Math at Your Fingertips: Songs and Fingerplays for Preschoolers
Do you remember enjoying fingerplay songs like 5 Little Monkeys or Un Elefante Se Balanceaba when you were young? You may not have realized that sharing these songs is a great way to bring math…
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten
- Tags Gesture, Games, Family Math, En Español
Series: Ideas at Work May 26, 2020
Get on the Right Path: Make Your Own Number Sense Activities
Path games are fantastic ways for families to spend time together and have fun while doing math. Path games develop number sense, counting skills and, depending on children’s ages and the tools you use, computational…
- Topic: Number Sense, Counting
- Age/Grade Level: Pre-K, Kindergarten, 1st Grade
- Tags Games, Family Math, En Español
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