Grade7CulminatingActivity:RationalNumbers
You may complete as many of the activities as you like by the deadline of Monday, November 14th.
However,youmustcompleteactivitiestotalingatleast100points.Feelfreetobeascreativeasyoulike,
aslongasyoufollowtheactivity’sguidelines.Remember:thisistwoweeksworthofhomeworkeffort.
A
B
C
D
E
Point
Value
Activity
A,B,C,D,andEcorrespondtopointsonathermometer.Usethesecluestoplotpoints:
§ BandDarenegative§ DiswarmerthanC§ BiswarmerthanC
§ EandDarethesamedistancefromzero§ EiscolderthanA
Composeyourownthermometerproblemandincludeyouranswer.Eachnumbermustbe
non-integer or whole value; you must use decimals and fractions and you must place
numbersonthenumberline!
Design a foldable or poster that explains the rules for adding and subtracting OR
multiplyinganddividingmixednumbers.Besuretoincludeexamplesofeach.
Measurement: draw the floor plan for your bedroom, using a scale (1 inch = 1 foot, for
example) and stating the length and width or measurements for each side. Following this,
calculate the amount of space taken up by furniture to determine the amount of free floor
space in your room.
Create a video to explain how to evaluate an expression like this: a(b–c),wherea,b,and
ceachrepresentarationalnumber(fractionordecimal).
Create a foldable booklet that teaches students how to compare and arrange rational
numbers in order from least to greatest.
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20
35
20
F
Createanentertainingpresentationofyourchoicethatwillhelpstudentsrememberhow
toevaluateorderofoperationsproblemswherefractionsareinvolved.
25
G
Usethenewspaperorinternetnewssitestolocateatleastthreestoriesthatcanbeused
to create a total of six rational numbers word problems. Create a bulletin board display
thatshowsthestories,wordproblems,andsolutions.Includebothpositiveandnegative
rationalnumbersandshowbothadditionandsubtractionproblems.
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H
I
J
K
Find a recipe, from website or recipe book, with at least six fractions. Write the original
recipe and then convert the recipe for twice as many servings, showing your work and
explaining your strategies. Then do the same thing but for half the amount of servings in the
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original recipe. Finally, adjust the recipe to accommodate for 30 servings. Present your
information in a clear and organized way.
Createacomicoranarrativestorythatusesoperationswithfractionsaspartoftheplot.
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Your job will be to create a number line, from -10 to +10, which accurately labels the
following points: all integers in between -10 and 10, five positive fractions (including
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mixed numbers), five negative fractions, five positive decimals, and five negative decimals.
You must also explain how you knew where to place each value on the number line.
Free Choice: Design and measurement! You may do anything creative here, as long as it
involves rational numbers! For example: design a piece of furniture and then include 10-30
measurementsanddetailsregardingthematerialsthatyouwouldneedtoconstructit.
Iplantodo_____activities,totaling_______points.
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Student:___________________________________________
Signature:________________________________________
ScoringRubric
Tasks
Completed
A
B
C
Knowledge and Understanding
D
E
F
G
H
I
J
K
Novice
Apprentice
Practitioner
Expert
1
2
3
4
The student:
- Identifies and compares rational
numbersfoundinreal-lifecontexts
- Represents and orders rational
numbersusingavarietyoftools
- Adds and subtracts rational
numbers,usingavarietyoftools
Problem Solving/Thinking
The student createsandcarriesout
a plan to solve problems involving
rationalnumbers
Communication
The student:
- Explains mathematical thinking
clearlyusingavarietyofmodes
- Uses appropriate vocabulary and
terminology in oral, visual, and/or
writtenforms
Application of Learning
The student makes connections
between math concepts and the
realworld
ScoringRubricGrade:__________
ActivityPoints:__________