https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/measuring-mass-in-kg 2026-02-24T15:10:35.326020881Z Measuring Mass in kg Measuring Mass in kg Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/measuring-mass-using-1-kg-and-kg-masses 2026-03-12T13:20:33.001207188Z Measuring mass using 1 kg and ½ kg masses Measuring mass using 1 kg and ½ kg masses Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/measuring-mass-using-kg-masses 2026-03-11T06:10:38.724543941Z Measuring mass using ¼ kg masses Measuring mass using ¼ kg masses Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/mass-in-kg-and-kg 2026-03-11T06:10:38.724543941Z Mass in ½ kg and ¼ kg Mass in ½ kg and ¼ kg Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/addition-of-mass 2026-03-11T06:10:38.724543941Z Addition of mass Addition of mass Ashish Gupta exercise https://www.khanacademy.org/math/grade-4th-math-kenya/x2752addb8f5bd468:measurement/x2752addb8f5bd468:mass/e/subtraction-of-mass 2026-03-11T06:10:38.724543941Z Subtraction of mass Subtraction of mass Ashish Gupta exercise