Chocolate Fractions/Decimals/Percents with rubric.

I have 3 blocks of chocolate I wish to share fairly with my friends. 

How much could each person get? 

Give your answer as a fraction, decimal and percentage of one block. 

Show all working out.

3.00

3.50

3.75

4.00

4.25

4.50

4.50

5.0

6.0

 Are able to express some answers as fractions.

 

Has at least 4 possible solutions

Can convert an improper fraction to a mixed number

Recognizes the correct decimal for common fractions but may not show working

Will represent some answers as fractions decimals and percentages.

Recognises the correct decimal and percentage for common fractions but may not show their working

May develop a systematic approach such as a table of values or list or comment describing pattern.

Correctly writes equivalents for common fractions

 

Recognises the correct decimal and percentage for common fractions and demonstrates that they understand that you find the decimal through division but may get the incorrect result for other fractions

Recognises the correct decimal and percentage for common fractions and demonstrates that they understand that you find the decimal through division usually getting the correct result

Show working to convert fraction to decimal and/ percentage.

Recognises the correct decimal and percentage for common fractions and demonstrates that they understand that you find the decimal through division and that you convert decimals to percentage through multiplication

Correctly write equivalent fractions wherever possible

Able to consistently correctly represent  fractions as decimals and percentages.

Simplifies their answers

Write equivalent fractions and simplest form for example

3 shared with 6 people is 3 ÷ 6 = 3/6 = ½ = 0.5 = 50%

Should be able to identify ½, 1/3, ¼, 1/5, 1/8, 1/9 and their decimal and percentage equivalents.

Write fraction, decimal and percentage for sharing between 2,3,4,5,6,7,8,9 etc. people 

Shows an understanding of a generalisation for finding the F/D/% equivalents..


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