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Fractions - zlomky

Fractions - zlomky. 7 . ROČNÍK ZÁKLADNÍ ŠKOLY. Fractions. We d i vide a whole into identical parts. The picture is cut into 9 identical parts. One ninth. Fractions. How many parts is the picture d i vided into?. quarters. quarters.

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Fractions - zlomky

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  1. Fractions - zlomky 7. ROČNÍK ZÁKLADNÍ ŠKOLY

  2. Fractions We divide a whole into identical parts The picture is cut into 9 identical parts One ninth

  3. Fractions How many parts is the picture divided into? quarters quarters Dividing into quarters means to divide something into four identical parts.

  4. NUMERATOR FRACTION LINE DENOMINATOR Fractions • A fraction is a part of a whole

  5. Fractions • OneHalf Draw it: • OneQuarter Draw it: • The top number tells us how many parts you have and the bottom number tells us how many parts the whole was divided into

  6. The fraction expands by 2 Expanding Fractions Expanding a fraction by a number different from 0 means multiplying the numerator and also the denominator by this number. The value of the fraction is the same! = Equivalent fraction We divided each part into 2 parts only.

  7. Expanding Fractions Expanding by the number 2 (dividing a sheet of paper)

  8. Expanding Fractions Expand fractions by the number 4

  9. Count on the interactive board Expand fractions by the number 3 Expand fractions by the number 5

  10. The fraction cancelled by 2 Cancelling Fractions Cancelling a fraction means dividing the top number (numerator) and the bottom number (denominator) by the common factor. The value of the fraction is the same! = Equivalent fraction

  11. Cancelling Fractions Cancel fractions by the number 4

  12. Count on the interactive board Cancel fractions by the number 3 Cancel fractions by the number 5

  13. Try it yourself!

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