Maths Activities.
- 2
4th ESO IES Saavedra Fajardo
1.
In three more years, Miguel s grandfather will be six times as old as Miguel was last
year.
When Miguel s present age is added to his grandfather s present age, the total
is 68.
How old is each one...
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Maths Activities.
- 2
4th ESO IES Saavedra Fajardo
1.
In three more years, Miguel s grandfather will be six times as old as Miguel was last
year.
When Miguel s present age is added to his grandfather s present age, the total
is 68.
How old is each one now?
2.
The product of two consecutive negative even integers is 24.
Find the numbers.
3.
Twice the larger of two numbers is three more than five times the lesser, and the sum
of four times the larger and three times the smaller is 71.
What are the numbers?
4.
Try these ‘Think of a number’ problems by forming an equation.
a) I think of a number.
When I divide 30 by this number I get 45
b) I think of a number.
When I add 5 to its reciprocal I get 11
c) I think of a number.
When I subtract its double from its square I get 8
5.
The area of the L-shape is equal to the area of the square that has
been removed.
What length square has been removed?
6.
The areas of the shapes are equal.
What is this area?
7.
Adding the expressio
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