Latest Learning Graphs
Fractions 3.2
Hello students!
Let's continue our journey to fraction-land, with a new and hopefully fun Learning Graph
# Measurements & estimation
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from arithmetic to algebra
In this learning graph students can challenge themselves with different tasks regarding arithmetic and algebraic thinking.
# Numbers & operations
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Julio Le Parc Serie 48 - 1970
In this series, the Argentinian Op'Art artist Julio Le Parc, uses his famous 14 color palette to let mathematics mix them in a fixed but rather random looking way. Let's investigate what is happening there!
# Operations with natural numbers
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Latest Tasks
Rewarding, attempts, and support tasks
For a correct answer, the user is rewarded points. More than one wrong answer reduces the initially 100 points an exercise contributes. For every exercise, the user can try four times to enter the solution.
So what is the solution here? Please try to find out. Maybe the hints will help...
# Numbers & operations
Learning
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Inverse matrix
Given a matrix $A$ and its inverse matrix $B$. Choose the correct statements.
We define $I$ as the identity matrix and $A^{T}$ as the transpose of $A$. Further, $k\neq0$ is a scalar and $det(A)$ represents the determinant of A.
# Inverse
Reasoning
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Simplify the power
Who has the right answer?
Exercise: Simplify the following power.
1) $ (1234)^{-1000}\\ $
Lisa: The answer is $\frac1{(1234)^{1000}}$
Ali: No the answer is 1,234.
# Powers of non-negative rational basis
Reasoning
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Determination of an easy negative power
Write the exact answer to this exercise.
If you need to write the power then use this form a^b. For fractions use this form a/b.
Use this rule to get to the solution:
$ a^{-b\;}=\frac1{a^b}\\ $
1) $ 5^{-2} $
2) $ 7^{-3} $
# Powers of non-negative rational basis
Learning
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Multiplication with powers
Make the calculations and then fill the gaps $4x^2\cdot5x^4$
# Powers of integer exponent
Learning
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Hard negative power
Choose the right answers ( more than one).
$ 3^{-\frac56}\\ $ is the same as ...
# Powers of non-negative rational basis
Training
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