Adding Fractions: Common Denominators

Adding Fractions: Common Denominators

Read the Post Description: “Just add the numerators” – but why?? Using area model paper, Shannon demonstrates how to add fractions with common denominators with a little help from D.C. and decomposing! Help students to create a great pictorial...
Mystery Math Mistake: Traditional Addition

Mystery Math Mistake: Traditional Addition

Download the Recording Sheet Turn In the Recording Sheet Description: Where’s the mistake? Watch carefully and see if you can find it! Practice articulating your mathematical thinking and critiquing the reasoning of others as you complete the recording sheet and...
Mystery Math Mistake: Addition

Mystery Math Mistake: Addition

Download the Recording Sheet Turn In the Recording Sheet Description: Where’s the mistake? Watch carefully and see if you can find it! Practice articulating your mathematical thinking and critiquing the reasoning of others as you complete the recording sheet and...