Todas as tarefas
Challenging task for "from natural to algebraic language"
Translate the following sentence in algebraic language:
The quintuple of a number subtracted to its triple is equal to its double.
# Numbers & operations
Training
8
Challenging task for Common elements in different expressions
What do the following mathematical expressions have in common?
$(x-2)^4; |-3|; 5; x^2+1.$
# Numbers & operations
Reasoning
9
Common elements in different expressions
What do the following mathematical expressions have in common?
$3 \cdot 5a$, $(x+y) \cdot 3$, $9v$, $3z+3w$, $\frac{6c}{2}$
# Terms
Reasoning
8
Modeling bakery
A baker cooks 9 apple pies and 12 chocolate pies for each gram of yeast he has in a day. Everyday 1/3 of the cooked cakes doesn't grow well, so the baker can't sell them. Can you tell how many cakes the baker can sell everyday for each gram of yeast he has?
# Terms with variables
Modeling
7
Let's walk it!
Choose the program that will walk Scratch the cat along the spirale of integers! (see the first hint for a reminder)
# Unassigned
Modeling
5
The cube
Written with this little fancy three up in the air, the cube of a number is simply this number multiplied by itself twice. For example $2^3=2\times 2\times 2=8$. Compute the cube of the following numbers:
# Monomials & polynomials
Learning
8