Addition and Subtraction Facts through 20
These basic computational skills are crucial to your children's mathematical development.
Inverse Operations
Move children from counting by rote to understanding what the numbers tell them.
Comparing and Ordering
Help your children learn the relationships between the numbers in a number fact, and have them explore fact families.
Justifying Answers
Children need to develop confidence in their ability to solve problems. Help your children learn how to ask good questions and talk about their reasoning.
Refresh your memory with this overview of the topic.
Here you'll find at least two complete lesson scripts to use with your class.
Share your ideas for ways to manage your classroom, speed learning, and handle difficulties.
Find answers to common questions students ask.
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