Mass can be measured in grams and kilograms
I can describe the mass of a kilogram and a gram, and choose which unit might be best to measure different masses.
Mass can be measured in grams and kilograms
I can describe the mass of a kilogram and a gram, and choose which unit might be best to measure different masses.
Lesson details
Key learning points
- Mass is measured in grams and kilograms.
- 1 kg is about the mass of a laptop or a bunch of bananas.
- 1 g is about the mass of a raisin or a paper clip.
- You can use scales to measure mass.
Keywords
Mass - When you measure how heavy something is, you are measuring its mass.
Grams - A measure of mass (about as heavy as a raisin).
Kilograms - A measure of mass (about as heavy as a laptop).
Common misconception
Children may not read scales accurately, particularly when the type of scale changes from a horizontal line to a circular scale.
Allow plenty of opportunities to explore different types of scales. Find where the same mass would be on different scales and talk about what is the same and what is different about each scale.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Four centimetres is __________ four metres.
Q2.Compare the lengths using < > or = 54 m ___ 45 m
Q3.Look at how far each of the children could kick a football. Match the parts of the sentence correctly.
the shortest distance.
the longest distance.
Q4.Order the lengths starting with the shortest.
Q5.Look at the image. Which heights are written in the correct order?
Q6.An ash tree is 24 m tall. A silver birch is 17 m tall. An oak tree is shorter than the ash tree but taller than the silver birch tree, How tall could the oak tree be?
Assessment exit quiz
6 Questions
Q1.Which of these standard units could be used to measure mass?
Q2.Match the sentence with the correct missing word.
A gram is a much __________ mass than a kilogram.
A kilogram is a much __________ mass than a gram
Q3.Which of these objects have the mass of about one kilogram?
Q4.The mass of this parcel is grams.
Q5.The mass of the scissors is grams.
