All Tasks
Equivalent expressions
Which of the following expressions is equivalent to 3k+6?
# Numbers & operations
Reasoning
8
From natural to algebraic language
Translate the following sentence in algebraic language:
The square of an even number
# Numbers & operations
Training
8
Associative property for the sum
If a+b=9 then a+b+5=?
# Numbers & operations
Training
8
Uncle Scrooge monies
Uncle scrooge has a lot of money and he usually swim in it, if you know that there are 10000 monies of 1 euro, 15000 monies of 2 euro and 8000 monies of 50c and 2000 banknote of 5€, how much euros does he have?
# Operations with natural numbers
Training
4
Linear equation transformation
Find the value of x solving the equation.
# Linear equations
Training
7
Properties of linear functions
Is the statement true or false?
The graph for the equation f(x)=4.5x+2 is a straight line through the origin.
# Linear functions
Learning
8