Houghton Mifflin Harcourt Math Grade 4 Worksheets In This Area And Perimeter Worksheet, Students Design A Garden That Includes Shrubs, Flowers, And Walkways Then Determine The Area And Perimeter Of Each Garden Feature. Houghton mifflin harcourt go math! 9780547587813 use the table below to find videos, mobile apps, worksheets and lessons that supplement houghton mifflin harcourt go math!