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Lesson details

Key learning points

  1. In this lesson, we will use prior knowledge to estimate masses and then work out any differences compared to the actual mass.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
What is 5kg in grams?
Correct answer: 5000g
5000kg
500g
500kg
Others
Q2.
What is the correct language to describe the mass of this parcel?
An image in a quiz
The mass of this parcel is greater than 2kg because the parcel is higher
The mass of this parcel is greater than 2kg because the parcel is lower
Correct answer: The mass of this parcel is less than 2kg because the parcel is higher
The mass of this parcel is less than 2kg because the parcel is lower
Q3.
How much does this parcel weigh?
An image in a quiz
4g and 200g
4g and 200kg
Correct answer: 4kg and 200g
4kg and 200kg
Q4.
What is the mass of Pepper the purple cat?
An image in a quiz
1g and 700kg
1kg and 600g
1kg and 600kg
Correct answer: 1kg and 700g
Q5.
What is the mass of the sad pug?
An image in a quiz
2g and 200kg
2g and 300g
2kg and 200g
Correct answer: 2kg and 300g

4 Questions

Q1.
5000g or 5kg. Which mass is heavier?
5000g
5kg
Correct answer: They are the same mass
Q2.
What statement describes this picture best?
An image in a quiz
Correct answer: The can feels heavier than the mass so the can must weigh more than 500g
The can feels lighter than the mass so the can must weigh less than 500g
Q3.
Use the image below to choose the best estimate for the mass of the parcel.
An image in a quiz
Correct answer: 1200g
125g
150g
1kg
Q4.
Find the difference
An image in a quiz
420g - 345g = 100g
420g - 345g = 70g
Correct answer: 420g - 345g = 75g
420g - 345g = 80g

Lesson appears in

UnitMaths / Measures