Year 1

To compare masses using non-standard units

Year 1

To compare masses using non-standard units

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Lesson details

Key learning points

  1. In this lesson, we will use non-standard units to measure the mass of toys in the balance scales.

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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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4 Questions

Q1.
Select the correct answer for what the scale is showing.
An image in a quiz
The clock is heavier than the coins.
Correct answer: The coins and the clock have the same mass.
The coins are heavier than the clock.
Q2.
Select the correct answer for what the scales are showing.
An image in a quiz
Correct answer: The ball is lighter than the money.
The money is lighter than the ball.
The scale is balanced.
Q3.
Which one would be the heaviest?
An image in a quiz
Correct answer: elephant
child
Q4.
Which one would be the lightest?
An image in a quiz
car
Correct answer: teddy bear

4 Questions

Q1.
Estimate how many cubes would weigh the same as this mobile phone.
An image in a quiz
1 cube
100 cubes
Correct answer: 21 cubes
Q2.
If I had 20 cubes on one side of the balance scales, how many would I need to on the other side to balance the scales?
An image in a quiz
12
Correct answer: 20
23
Q3.
Estimate how many marbles, you would need to balance the scales with a teddy bear on.
An image in a quiz
0 marbles
Correct answer: 25 marbles
70 marbles
Q4.
Which object has the lightest mass?
An image in a quiz
the house plant
Correct answer: the toy car