Illustrative Mathematics
Illustrative Mathematics: 4.oa Double Plus One
This task is meant to be used in an instructional setting. The task encourages students to develop the habit of looking for patterns that might hint at some underlying structure as described in Standard for Mathematical Practice 7, Look...
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of Nine
This task examines the interesting fact that when a number is divisible by 9 then the sum of its digits is also divisible by 9. Aligns with 4.OA.C.5.
Better Lesson
Better Lesson: Following Rules
Fourth graders often confuse skip counting with finding a rule or pattern for a given set of numbers. Here, they focus on how one number relates to the next and extend the pattern to determine the rule.
Better Lesson
Better Lesson: A Short Lesson in Graphing Ordered Pairs
Fourth graders practice graphing ordered pairs on IXL math and on a worksheet to create a picture.