https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:area/e/area-of-surfaces-comparison 2026-02-24T15:10:35.326020881Z Area of Surfaces (Comparison) Area of Surfaces (Comparison) Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:area/e/area-of-surfaces-using-informal-units 2026-02-24T15:10:35.326020881Z Area of Surfaces Using Informal Units Area of Surfaces Using Informal Units Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:area/e/area-of-squares-and-rectangles-by-counting-unit-squares 2026-02-24T15:10:35.326020881Z Area of Squares and Rectangles by Counting Unit Squares Area of Squares and Rectangles by Counting Unit Squares Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:area/e/area-of-a-square 2026-02-26T03:00:49.069061077Z Area of a Square Area of a Square Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:area/e/area-of-a-rectangle 2026-02-26T03:00:49.069061077Z Area of a Rectangle Area of a Rectangle Ashish Gupta exercise