MathsYears 2–3Measurement
Measure and compare mass (kg and g)
Learn Measure and compare mass (kg and g) for Years 2–3 pupils (ages 6–8). Free practice questions, lessons and worked examples — aligned to the UK National Curriculum.
What you'll learn
- 1
We measure how heavy things are in grams (g) and kilograms (kg). 1000 g makes 1 kg.
- 2
On a balance scale, the heavier side goes down. If both sides are level, the two things weigh the same.
- 3
How many grams are in 1 kilogram?
- 4
Big does not mean heavy. A large balloon is very light; a small stone is heavy.
- 5
A bag holds 2 kg of potatoes. In grams that is 2 × 1000 = 2000 g.
- 6
Which is heavier?
- 7
Which would you weigh in grams?
Practise Measure and compare mass (kg and g) with Whizlo
Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 6–8. Aligned to the UK National Curriculum.