Buddding mathematicians use books and cubes to explore the relationship between addition and subtraction. They research to find more addition and subtraction facts using a virtual calculator. They investigate fact families to end the lesson.
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Numbers and Operations: Addition and Subtraction Grade 2
Using unifix cubes, a spinner, a number line, and fact family triangles second graders will play their way to subtraction competency. They engage in a series of activities that has them playing game that require them to add and subtract...
2nd Math CCSS: Adaptable
Solve for Unknowns: Using Fact Families
Understanding the relationship between numbers in a fact family can make solving for unknowns much easier. Follow along with the second video in this series as the instructor models this approach with multiple examples. A story problem...
4 mins 2nd - 4th Math CCSS: Designed
Solving Simple Addition and Subtraction Equations Using Fact Families
Students explore addition fact families. In this addition and subtraction fact family math lesson, students click and drag objects on the Smart Board to create visual representations of fact families. Students use fact family strategies...
2nd - 4th Math