Addition facts are easier when you know the patterns! With this worksheet, your third graders will investigate patterns on the addition table.

Use this Number Talk template to support your students’ oral language development as they discuss patterns.

Compare your "input" number to the corresponding "output" number to find the pattern in each table and fill in the missing numbers.

Use this worksheet on shape patterns to identify and create repeated patterns with trapezoids.

Use this worksheet to help students describe and create trapezoid patterns.