Less Than

Starter of The Day Transum Mathematics Topics

Transum,
This quite an advanced mathematical statement but sometimes it is effective for pupils to learn about a concept by unpicking a more complex problem rather than starting with the very simplest examples. A little 'trial and improvement' is expected though of course those with experience of solving inequalities may choose to solve the problem in the way the answer is presented below.
John Tranter,
Never smile at a crocodile,
Beware its welcome grin,
Don't stand too close to its open mouth
in case you topple in!
If the open mouth faces to the left,
Remember this you might,
The number there is bigger than
the number to the right.
If the open mouth faces to the right,
Learn this fact by heart,
The number there is bigger than
the number at the start.
Transum, Twitter
Today a student disagreed with me about which way round the greater-than sign was. She said let's Google it. This was the result! #mathschat #mathchat #mathsCPDchat #fakenews I love teaching Maths - we had a laugh! pic.twitter.com/EYDz1zRAPw
— Transum (@Transum) March 15, 2018

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Previous Day | This starter is for 10 May | Next Day

Answers

2x - 4 < 4x + 4
-8 < 2x
x > -4

4x + 4 < 2x + 2
2x < -2
x < -1

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.

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	Teacher, do your students have access to computers? Do they have iPads or Laptops in Lessons? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Here a concise URL for a version of this page without the comments.

Transum.org/go/?Start=May10

Here is the URL which will take them to a related student activity.

Transum.org/go/?to=Inequalities

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