Modelling and Problem Solving
Presentation
•
Mathematics
•
7th - 8th Grade
•
Easy
Habeeba Moosa
Used 1+ times
FREE Resource
3 Slides • 5 Questions
1
Modelling and Problem Solving
By Habeeba Moosa
2
Open Ended
Every Even number is a sum of two primes. Prove this by using examples. If not give a counter example.
3
Every even number is a sum of two primes
Counter example
2 is an even number which cannot be expressed as a sum of two primes (e.g 2 = 1 + 1), but 1 is not a prime number), so at this point the statement is wrong.
Some text here about the topic of discussion
4
Learning objectives
Three approaches to calculations: algorithms, adhocorithms and calculators;
The key process of mathematical modelling;
The contribution of electronic calculators to this process;
Interpreting answers obtained on calculators; and
Problem solving.
5
Draw
How many apples at 21p each can I buy with 90p? Explain with all the steps?
6
Open Ended
1. Four holes are drilled in a straight line in a rectangular steel plate. The distance between hole 1 and hole 4 is 35mm. The distance between hole 2 and hole 3 is twice the distance between hole 1 and hole 2. The distance between hole 3 and hole 4 is the same as the distance between hole 2 and hole 3. What is the distance, in millimeters, between hole 1 and hole 3?
7
Open Ended
There are five people in a room and each person shakes every other person’s hand exactly one time. How many handshakes will there be?
8
Open Ended
There are five people in a room and each person shakes every other person’s hand exactly one time. How many handshakes will there be?
Modelling and Problem Solving
By Habeeba Moosa
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