Students will find angle sums using a baseball diamond diagram.

Solve for the sum of two mixed numbers! They will use scaffolds such as fraction models to support the visualization of mixed numbers. This can be used on its own or as support for the lesson Sums for Mixed Numbers and Improper Fractions.

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Make the number work for you! Use this lesson to teach your students to add mixed numbers with like denominators using the strategy of decomposition.