- Fractions
What is a fraction?
- Answer part 1
- Answer part 2
Part of a whole
- Identify fractions
- Create fractions
- Fractions correct or not?
- Estimate and draw
- Estimate and draw -2-
- Estimate and draw -3-
- How much juice ...?
- Pouring juice in a jug
- Determing fractions -meter-
- Create fractions -meter-
- right or wrong?
- Fractional part of a square
- Fractional part - rectangle
Number line introduction
- Fraction and number line -1-
- Fraction and number line -1a-
- Fraction and number line -2-
- Fraction and number line -2a-
Part of several whole
- Fractions several whole
Fraction as a comparison
- ... recognize
- ... draw
Fraction as a quotient
- Memory game - level 1
- Memory game - expert
- Fractions of quantities
Analyze fuel gauges
- Fuel level -1-
- Fuel level -2-
- Adjusting the fuel gauge -1-
- Adjusting the fuel gauge -2-
Vivid approaches
- ... with visualization
- ... with vivid hints
- ... with helpful hints
- Part of a stake
- Part of a stake -top-
Fraction and time
- fraction & time
- time & fraction
- fraction & time -profi 1-
- fraction & time -profi 2-
- fraction & time -expert-
Summarizing tasks
- Fraction and quantity
- Quantity and fraction
- Fraction & quantity -Top-
- Determine the whole
- Whole or fraction
- Mixed number - improper fraction
Vivid introductions
- Mixed number - tutorial
- Improper fraction - tutorial
Various exercises
- Mixed number - exercise
- Improper fraction - exercise
- Go shopping
- Go shopping -2-
- Go shopping -3-
Memory games
- with fifth
- with seventh
- with fifth and seventh
- Expand fractions
- Simplify fractions
Explanation and exercise
- Exercise with visualization
- Reduce with ...
- Exercise on level 1
- Variable exercise
- By what number ...?
- Correctly reduced?
Apply simplifying
- Find common denominators
- Specify pearls part
- Apples in a basket
- Fractions of equal value
- Arrange fractions
On the number line
- Arrange eighths ...
- Arrange sixths ...
Compare fractions
- less than a half?
- larger or smaller?
- Between two fractions
Order fractions
- Ordering four fractions -03a-
- Ordering four fractions -04a-
- For professionals only!
Applications tasks
- Who throws better? -1-
- Who throws better? -profi-
- Search for good odds
- Add fractions
Same denominator
- Introduction with visualization
- First exercise
- Add three fractions
- Application task -1-
- Application task -2-
- Magic square
- Puzzler
Different denominators
- Introduction with visualization
- Exercise part 1
- Exercise part 2
- Exercise part 2 -2-
- Exercise part 3
- Exercise part 3 -2-
- Increase fractions
- One tenth more
- Application task
- Buying a bike
- Recognize and add fractions 1
- Recognize and add fractions 1a
- Recognize and add fractions 2
- Recognize and add fractions 3
- Recognize and add fractions 4
- Unit fractions
- Unit fractions - profi
- Fraction pyramid -level 1-
- Fraction pyramid -level 2-
- Fraction pyramid -level 3-
- Fraction pyramid level 1-3
- Fraction pyramid - profi
- Fraction pyramid - expert
- Fraction pyramid - champion
- Magic square
- Magic square -2-
- For professionals only
Mixed numbers
- Number plus fraction - tutorial
- Adding two numbers
- Adding three numbers
- Adding two numbers - Level 2
- Adding two numbers - Level 3
- Word problems
- Subtract fractions
Like fractions
- ... with visualization
- First exercise
- Summarize three fractions
- Puzzler
Unlike fractions
- First exercise
- Second exercise
- Third exercise
- Decrease fractions
- One tenth smaller
- Unit fractions level 1
- Unit fractions level 2
- Unit fractions profi
- For professionals only
Mixed numbers - tutorials
- Number minus fraction
- Mixed number minus fraction
- Mixed number minus number
- Two mixed numbers
Mixed numbers - exercises
- Exercise part 1
- Exercise part 2
- Exercise part 3
- add and subtract -2-
Mixed numbers - word problems
- subtract fom the sum
- Word problems -2-
- add to the difference
- subtract from the di...
- Word problems -3-
- Word problems -expert-
- Multiply fractions
Number times fraction
- Illustrative introduction -01-
- Illustrative introduction
- Exercise part 1
- ... as a text problem
- ... for professionals
- ... for experts
- Pay attention to texts
- Pay attention to texts -2-
Fraction times fraction
- Illustrative introduction -01-
- Illustrative introduction
- ... as a text problem
- texts for professionals
- Exercise on level -1-
- Exercise on level -2-
- Exercise on level -3-
- For professionals only
- Puzzler
- Tricky task
- Pyramid -Level 1-
- Pyramid -Level 2-
- Pyramid -Level 3-
- Pyramid 1 - 3
- Pyramid -profi-
- Pyramid -expert-
- Pyramid -champion-
- Three fractions -1-
- Three fractions -2-
- Divide fractions
Divide fraction by number
- Illustrative introduction -1-
- Illustrative introduction -1a-
- Illustrative introduction -2-
- Illustrative introduction -2a-
- Illustrative introduction -3-
Divide number by fraction
- Number by unit fraction
- Number by fraction
Divide fraction by fraction
- Exercise on level -1-
- Exercise on level -2-
- Exercise on level -3-
- For professionals only
- Tricky task
Complex Fraction
- Complex fractions -1-
- Complex fractions -2-
Divide mixed numbers
- ... by fractions
- ... by numbers
- ... by mixed numbers
- Mixed exercises
... with multiplication
- Exercise -1-
- Arithmetic tree -level 1-
- Arithmetic tree - Profi 1
- Arithmetic tree - Profi 2
- Arithmetic tree - TopProfi
- for champions only
... with division
- Exercise -2-
- Arithmetic tree - TopProfi