https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/measuring-length-in-centimetres 2026-01-15T06:50:44.264868053Z Measuring length in centimetres Measuring length in centimetres Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/measuring-lines-in-centimetres 2026-02-24T15:10:35.326020881Z Measuring lines in centimetres Measuring lines in centimetres Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/estimate-and-actual-length 2026-02-24T15:10:35.326020881Z Estimate and actual length Estimate and actual length Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/converting-units-of-length-m-and-cm 2026-02-24T15:10:35.326020881Z Converting units of length (m and cm) Converting units of length (m and cm) Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/perimeter-of-plane-figures 2026-02-24T15:10:35.326020881Z Perimeter of plane figures Perimeter of plane figures Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/addition-of-units-of-length 2026-02-24T15:10:35.326020881Z Addition of units of length Addition of units of length Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/multiplication-of-units-of-length 2026-02-24T15:10:35.326020881Z Multiplication of units of length Multiplication of units of length Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:length/e/division-of-units-of-length 2026-02-24T15:10:35.326020881Z Division of units of length Division of units of length Ashish Gupta exercise