Subtraction Within 20: Think Addition
Understand fact families and the relationship between addition and subtraction
Create and solve fact family problems using numbers within 20
Develop mathematical thinking as a way of honoring God's orderly creation
“Yahweh by wisdom founded the earth; by understanding he established the heavens.”
— Proverbs 3:19 (WEB)Just as numbers have a beautiful, interconnected relationship, God created the world with wisdom and order
Welcome to today's BibleMouse math adventure! Let's explore how numbers are like a friendly neighborhood where addition and subtraction are neighbors.
Today we'll learn about fact families - groups of numbers that work together like a family!
Create fact families using linking cubes and record them on your worksheet
Simpler: Use numbers 5-10 with parent help
Challenge: Create fact families for numbers up to 20
Let's review our number neighborhood and celebrate our math discoveries!
Coming up: Tomorrow we'll learn how to think about addition when we subtract!
Fact families help children see the relationship between addition and subtraction
Children may find it challenging to see numbers can work in different directions
Child's ability to create and explain fact family relationships