Search this site
Embedded Files
ardenmath7.com Text 1(530)392-8221
  • Accelerated 7
  • Home
  • 1
  • 2
  • 3
  • 5
  • 4
  • 6
  • 7
  • 8
  • 9
  • 14
  • 15
  • 16
  • 17
  • 21
ardenmath7.com Text 1(530)392-8221
  • Accelerated 7
  • Home
  • 1
  • 2
  • 3
  • 5
  • 4
  • 6
  • 7
  • 8
  • 9
  • 14
  • 15
  • 16
  • 17
  • 21
  • More
    • Accelerated 7
    • Home
    • 1
    • 2
    • 3
    • 5
    • 4
    • 6
    • 7
    • 8
    • 9
    • 14
    • 15
    • 16
    • 17
    • 21

MAY 25 - 29 W36 Q4

Mon:  NO SCHOOL

Tue:  Sample Space and Simple Probability PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW:    7th IXL  II.1 SS 90 7th IXL II.2  SS90

Wed:  

MAY 18 -22 W 35 Q4

Mon:  Functions and non-Linear PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW:  5.09

Tue:     8TH IXL BB.5 SS 70 8TH IXL DD.1 SS 70   8TH IXL CC.10 SS70 8TH IXL DD.2 SS70 8TH IXL EE.3 SS 70 8TH IXL EE.4 SS70

HW:  Finish IXLs

Wed:  Practice Task Cards in class https://www.brainbashers.com/1to100.asp 

HW:  Study for Test

Thur:  TEST TODAY

Fri:   NO SCHOOL ON MONDAY     EXTRA CREDIT FINAL PRACTICE 3 points IF COMPLETED TO 90% BY TUESDAY 6AM

MAY 11 - 15 W34 Q4

Mon:  Introductin to Functions PERIOD 3 PERIOD 4 PERIOD 5 PERIOD  6

HW:  5.01

Tue:  Functions and Tables PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW:  5.02

Wed:  Function and Graphs PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW;  5.03

Thur:  Interpret Graphs and Functions PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW:  5.05

Fri:  Graphing Stories Linear and non-linear PERIOD 3 PERIOD 4 PERIOD 5 PERIOD 6

HW:  5.06


MAY 4 - 8 W34 Q4 PROGRESS REPORTS COME OUT THIS WEEK

Mon:   NO SCHOOL

Tue:  Pythagorean Theorem Digital Escape!   5  points

HW:  None if Finished with Escape 

Wed:  Practice Test Pythag.

HW:  Finish Practice Test

Thurs:  Review Practice Test   IXL 8th T.5  SS 80

HW:  STUDY for TEST

Fri:  TEST on Pythagorean Theorem

HW:  none

APRIL 27 - MAY 1 W33 Q4 NO SCHOOL  FRIDAY OR MONDAY NEXT WEEK!!

Mon:    LAST DAY OF CAASPP TESTING

Tue:  pg. 99-100 Pythagoreran Converse

HW:  pg. 101

Wed:  106-107  Distance on Coordinate Plane Using Pythagorean Theorem

HW:  108

Thur:  pgs. 109-110  3D applications of pythagorean

HW:  pg. 111 - due Tuesday

Fri:   NO SCHOOL TODAY OR MONDAY

 APRIL 20 - 24 W32 Q4

CAASPP TESTING THIS WEEK WEDNESDAY - FRIDAY

Mon:  pg. 95-96 Pythagorean Theorem

HW:  pg. 97-98

Tue:  CAASPP Review Part 2 to 80%         FIRST AND LAST NAME!!!

APRIL 13 - 17 W31 Q4

Mon:  Statistics pgs. 1 - 3 HOW TO FIND M.A.D. (Mean Absolute Deviation)

HW:  pg 4-5

Tue:  pgs. 15-16

HW:  pg. 17

Wed:  pg. 18-19 Measures of Center:  All you need to know

HW:  pg 20-21

Thurs:  RETAKE FOR SYSTEM OF LINEAR EQUATIONS

THURS:  IXL HH.2 TO SS 80 HH.5 TO SS 70 HH.6 TO SS80

HW:  Finish Review

FRI:  CAASPP REVIEW NEEDS TO BE FINISHED   TO 80%

  1.   FIND THE MEAN

  2.  FIND DIFFERENCE OF EACH DATA POINT FROM MEAN

  3.  FIND MEAN OF THE DIFFERENCES

THIS TELLS US HOW FAR AWAY FROM THE AVERAGE THE REST OF THE DATA POINTS ARE

APRIL 6 - 10 W30 Q4

Mon:  pgs.  85-86 Systems of Equations by Elimination

HW:  Pg. 87

Tue:  pgs. 88-89 Solve by Inspection

HW:  8th IXL GG.5 SS 90 and 8th IXL GG.12 SS 70    If you go to SS 100 of GG.12, it is one point Extra Credit

Wed:  Practice Test on System of Equations

HW:  Finish Practice Test

Thur:  Go over practice test / Review for test

HW:  STUDY

Fri:  TEST ON SYSTEM OF EQUATIONS

MARCH 23 - 27 W29 Q4!

Mon:   Intro into Systems of Equations pgs. 71-72                                                                                 How to write an equation in y=mx+b from a graph ( .36 second to 2 minute mark of video)

HW:  73

Tue:  Solve systems by graphing pgs. 74-75   System of Equations by Graphing 

HW:  76-77

Wed:  Substitution part 1 pgs. 78-79 System of Equations by Substitution

HW:  pg. 80

Thur:  part 2 pgs. 81-82

HW:  83-84

Fri:   8th IXL  GG.2 SS 80 MINIMUM DAY TODAY

MARCH 16 - 20 W28 Q3 END OF Q3!!

Mon:  Pg. 61 - 62 Scale Factor and Dilations

HW:  pg. 63 Scale Factor and Dilations How to Dilate coordinates

Tue:  64-65 Dilations RETAKE ON LINEAR EQUATIONS TUESDAY!!

HW:  pg. 66-67 Dilations on the Coordinate Plane   

Wed-Fri:   TRANSFORMATION PROJECT    DUE FRIDAY NO EXCEPTIONS!!!

MARCH 9 - 13 W27 Q3

Mon:  Go over Practice Test and    IN CLASS REVIEW TO 80% 

HW:  STUDY FOR TEST

Tue:  TEST on Linear Equations

HW:  none

Wed:  Transformations and Translations pg43-46 : What are Transformations What is Translation

HW:  47, 48, 49

Thurs:  pg. 50-51 Reflections   What is Reflection

HW:  52-53

Fri:  Rotations:  pg. 54-55 What is Rotation

HW:  56-57

     TRANSFORMATIONS

MARCH 2 - 6 W26 Q3

Mon:  Equations with Variable on Both Sides     pg. 27-28

HW:  pgs. 29-30  Equations with Variables on both sides

Tue:  pg 31-32 in class and turned in

HW:  pg. 33   more equations with variables on both sides

Wed:  pg. 34-35 Write equations with variables on both sides

HW:  pg.  36 - 37

Thur:  pg. 38 - 39   equations with special cases

HW:  pg. 40-41    Equation with Special Cases

Fri:  PRACTICE TEST   & RETAKE FOR SLOPE/Y-INT.  Y=mx+b

STEPS TO SOLVE EQUATIONS WITH VARIABLES ON BOTH SIDES!!!

  1.  DISTRIBUTE (if necessary)

  2. COMBINE LIKE TERMS ON EACH SIDE OF = (if necessary)

  3. MOVE VARIABLE TO LEFT SIDE OF =

  4. MOVE CONSTANTS TO RIGHT SIDE OF =

  5. SOLVE !

FEBRUARY  23 - 27 W25 Q3

Mon:  pg.  24-25 Compare proportional and non-proportional relationships

HW:  pg.  26 Proportional and Non-Proportional Relationships

Tue:   In class review 

HW:   No HW

Wed:  PRACTICE TEST MOD 16/17

HW:  Finish Practice Test

Thur:  Go over Practice Test and Online Review:   DUE IN CLASS   enter first & last name

HW:   STUDY for TEST

Fri:  TEST!  

HW:  IXL 7th T.10 SS 80 


SEE IMAGES BELOW OR YOU CAN USE THE LINK




Link for images of Practice Test Answers

FEBRUARY 9 - 13 W24 Q3

Mon:  pg. 9 - 10  Slope - y intercept

HW:  pgs.  11-12    Slope Intercept Part 1 Slope-Intercept Equation

Tue:  pg. 13-14

HW:  pg. 15-16  Slope Intercept part 2

Wed:  pg. 17-18

HW:  pg. 19-20  Graphing Linear Equations   Proportional vs. Non-Proportional Graph How to graph from an Equation

Thur:  pg. 21-22 RETAKE OF SCIENTIFIC NOTATION AND EXPONENT PROPERTIES TODAY

HW:  pg. 23 Multiple Representations How to write a linear equation from table/graph

Fri:  QUIZ TODAY!! MINIMUM DAY TODAY!

HW;  None! NO SCHOOL NEXT WEEK!

y = mx + b

FEBRUARY 2 - 6 W23 Q3

Mon-Wed:    I-READY TESTING

Thurs:  Linear Relationships  Mod16/17   pgs.  1-2      What is SLOPE NOTES TODAY see video below.

HW:  pgs.  3 Slope Formula        Similar Triangles & Slope

Fri:    Slope Formula  pgs. 4-5   

HW:  6-7 -8 The Slope Formula

2026-02-05-100201.mp4

Thursdays Notes

JANUARY 26 - 30 W22 Q3

Mon:  pg. 19    +/- Scientific Notation (start at 1:56)

HW:  pg. 20-21

Tue:  pg 22-23 Multiply/ Divide scientific notation   start at 15:55

HW:  pg. 24-25

Wed:   Practice Test Mod 15 RETAKE MOD 9B TODAY

HW;  Finish Practice Test

Thur:  Go over and  REVIEW HERE TO 90% ACCURACY

HW:  STUDY FOR TEST

Fri;  MOD 15 TEST!!

HW:  IXL 8th Z.1 SS 90 NEXT WEEK IS MATH I-READY

JANUARY 19 - 23 W21 Q3

Mon:  NO SCHOOL VIDEO OF NOTES FROM FRIDAY TEXT OR EMAIL ME ANYTIME WITH QUESTIONS THIS WEEK!!!!!!   

Tue:  Go over pgs. 6 -7  Page 6 HERE to Look Over       Page 7 HERE to Look Over Review and Practice Exponent Rules!    Exponent Rule  Video

Properties of Exponents:

MULTIPLYING LIKE BASES DIVIDING LIKE BASES POWER TO POWER PRODUCT TO A POWER

ADD the EXPONENTS SUBTRACT the EXPONENTS MULTIPLY the EXPONENTS MULTIPLY EACH TERMS EXPONENT 

to EXPONENT OUTSIDE (  )

TUESDAY HW:  IXL   C.11 C.12 C.19   all to a SS 80

Wed:  pgs 8 -9    Video on Notes  of pages 8-9    Negative Exponents video Why 0 power =1 video

Wed HW;  pg. 10 and  11 YESTERDAYS IXL IS RECORDED IN Q!

Thur: Pg. 10 to look over Pg. 11 to look over   Review Negative exponents and powers of 0 on IXL

HW:  IXL  C.6 C.8  SS 80

Fri: pg. 15-16 Scientific Notation    Notes on Scientific Notation Scientific Notation and back to Standard form 

HW:  pg. 17-18

JANUARY 12 - 16 W20 Q3

Mon:  Practice Test  Mod 9b

HW:  Finish Practice Test

Tue:  Review Test and make a note card of formulas

HW:  STUDY FOR TEST

Wed:  TEST MOD 9b

HW:  IXL  8th C.1 SS 90

Thur:  Mod 15 Pg. 1-2  Squares Cubes and Roots

HW: :  pg. 3   Exponents in Algebra

Fri:  pg. 4-5 Exponent Rule  Video Why 0 power =1

HW:  pg. 6-7 No school Monday

JANUARY 5 - 9 W19 Q3

Mon: NO SCHOOL

Tue:  Mod 9b pgs. 1-4 What is Surface Area      Nets  and  Surface Area of Prisms

HW:  pgs. 5-6 Difference of Lenth, Area, & Volume

Wed:  pg. 10  surface area cylinder

HW:  pg. 11-12

Thur:  pg. 13  Volume Volume Prisms & Cylinder   Volume Cone & Shpere

HW:  IXL W.1 W.3 W.4 W.7 SS 67 What is volume

Fri:  In Class Problem with Partner

HW;  Review on Surface Area and Volume Put Full Name & get  to 80%

DECEMBER 15 - 19 W18 END OF Q2 FINALS

Mon:  Go over Practice Final & Make Note Card to use on Final PRACTICE LINK

Tue:  Take 1st half of Final

Wed: Take 2nd half of Final

Thur-Fri:  Any make up or missed work.   END OF THE SEMESTER!!

DECEMBER 8 - 12 W17 Q2 MOD9A

Mon:  Practice Test Mod 9a         HW:  Finish Practice Test

Tue:  Go over Practice Test and Review for Test SS70 HW:  STUDY FOR TEST

Wed:  TEST on Area of Circles and Composite Area

Thurs:  Begin Review for Final HW:  NO HW

Fri:  Continue Review for Final HW:  NO HW

DECEMBER 1 - 5 W16 Q2 MOD 9A

Mon:  Mod 9a pg. 1 Parts of Circle Circumference Find Diameter given Circumference

HW:  pgs. 2 - 3

Tue:  pg. 4 Area How area of circle was derived

HW:  pgs. 5 - 6

Wed:  pgs. 7 - 8 Area of Shapes

HW:   IXL   BB.3 BB.4 BB.9   all to a SS of 90

Thur:  pgs. 9 - 10    Composite Shapes Deep explaination of Composite Shapes

HW:  10 and 12

Fri:  Review  Circles and  Area of Composite Shapes to 90% RETAKE MOD 8 ON ANGLES TODAY

           ENTER YOUR NAME ON REVIEW

NOVEMBER 17 - 21 W15 Q2  MOD 8/21   🦃

Mon:  pg. 10 parallel lines and transversals 

HW:  pgs 11, 12, 13

Tue:  pgs.  14-15 Exterior angle Triangle

HW:  pgs. 16-17

Wed:   Practice Test RETAKE MOD 7 INEQUALITIES

HW:   STUDY for TEST!!

Thurs:  Review and BEGIN TEST

Fri:  FINISH TEST MINIMUM DAY  OUT AT 11:08

NOVEMBER 10 - 14 W14 Q2 MOD 8/21

Mon:  NO SCHOOL

Tue:  NO SCHOOL

Wed:  pg. 1-2-4 Complementary/Supplentary angles. vertical/adjacent angles.

HW: pg. 3, 5, 6

Thur: pg. 7-8 Triangle Inequality Theorem

HW:  IXL's Z.3 SS 90 & Z.8 SS 90

Fri:  pg. pg. 9 Triangle Conditions

HW:  IXL Geometry L.6 SS 80

NOVEMBER 3 - 7 W13 Q2   MOD 7 TEST FRIDAY!!

Mon:  pg. 3-4      1 Step inequality   Solve 2 step inequality

HW:  pg. 5-6

Tue: pg. 7  Real world write inequality

HW:  pg 8-9

Wed:  Practice Test Mod 7    RETAKE MOD 6

HW:  Finish Practice Test

Thur: Go over practice test and Review BLOOKIT REVIEW CLICK HERE

HW:  Study for Test

Fri:  Mod 7      TEST TODAY !!

HW:  NONE!   NO SCHOOL MONDAY OR TUESDAY NEXT WEEK

Steps to Solve 2-Step Inequality

  1.  Undo add/subtract to variable with inverse

  2.  Undo mult/division to variable with inverse

  3.  Check to see if need to flip sign

OCTOBER 27 - 31 W12 Q2 MOD 6 TEST!!

Mon:  Write and solve equations

HW:   IXL T.13 SS 80   if you go to a SS 100  you will earn 1 point Extra Credit

Tue:  Practice Test Mod 6 RETAKE FOR MOD 5 TODAY!!!!!

HW:  Finish Practice Test Mod 6

Wed:  Go over practice test and         Review for Test Enter First and Last Name

HW:  STUDY FOR TEST

Thurs:  MOD 6 TEST!!

HW:

Fri:  Mod 7     graph inequality  & Write inequality   1 point extra credit

HW:   IXL  U.2 SS90 & IXL U.3 SS 90 HAPPY HALLOWEEN  🎃🍬

OCTOBER 20 - 24 W11 Q2 MOD 6

Mon:  New packet Mod 6  pg. 1-2  Combine like Terms &  Distributive Property   &                        Distributive with a - in front of parenthesis   Subtract Linear Expressions

HW:  pgs. 3-4 

Tue:  Factoring pg. 5  How to Factor an Equation     &   How to Factor

HW:  pg. 6

Wed:     POP QUIZ CLICK HERE

  pg. 7  1 Step equation +/-     1 step equation mult/div 1-Step equation with fractions        

HW:  pg. 8  

Thur:  pg. 9  2-step equations    2Steps explained

HW:  pg. 10-11

Fri:  pg. 12 Multi Step Equations!  The Steps

HW:  IXL T.9 SS 90         if you get to SS100 1 point extra credit! RETAKE FOR MOD 5 NEXT TUESDAY!!!!

🧐💭This is great information!!

OCTOBER 13 - 17 W10 Q2 MOD 5

Mon:  pg. 13   Commision/Simple Interest    

HW:  pgs. 14 - 15

Tue:  In class with partner work

HW:  Quizzizz

Wed:  Practice Test Mod 5

HW:  Finish Practice Test

Thur:  Go over practice test and review

HW:    STUDY FOR TEST!

Fri:   MOD 5 TEST

HW:  IXL S.3  SS 90 IXL S.4 SS 80

         THIS      FRIDAY!

OCTOBER 6 - 10 W9 LAST WEEK OF Q1 MOD 5

Mon:  NO SCHOOL

Tue:  pg 3  How to write % Proportions The % Equations

HW;  pg. 4

Wed:  Applications of % using    PART = (% as a decimal) (Whole) 

HW/Classwork:    IXL O.8 SS80 IXL O.9       to a SS 75 for Extra Credit 2 pts

Thur:  QUIZ     pg. 7   % Change, Increase/Decrease

HW:  pg. 8

Fri:  pg. 9-10   Tax/Tip/Mark-up Sale/Discount

HW:  11-12

SEPTEMBER 29 - OCTOBER 3 W8 Q1 MOD 4

Mon:    Fractional Unit Rates and Constant of Proportionality  pg. 13-14   Find unit rate Cross Product Property

HW:  15 - 16

Tue:  Practice Test Mod 4 Proportional Relationships   RETAKE TODAY MOD 3 IN CLASS

HW:   Finish Practice Test

Wed:  Go over Practice test and Review to 80% :  Period 3 CLICK HERE Period 4 CLICK HERE Period 5 CLICK HERE Period 6 CLICK HERE

HW:   STUDY FOR TEST

Thur:  TEST Mod 4 Proportional Relationships

HW:  IXL L.10   SS 80

Fri:  Mod 5 Fractions, Decimals and %'s Cross Product Property How is works and why How to write % Proportions

HW:  pg. 2 Mod 5        

SEPTEMBER 22 - 26 W7 Q1 MOD 4

Mod: What are proportions  Constant of Proportionality from table (1st 6 minutes)     Mod 4 pgs.  1 - 2 

HW:  pg. 3 & IXL N.1 to SS 90

Tue:  More practice from tables 4-5

HW: pg. 6 & IXL N.7 SS 90

Wed:  Proportionality from Graphs ( minute 8 to end) pg. 7-8      Make table and graph from equation

HW:  9 & IXL N.8  SS90

Thurs: Proportional Relationships pg. 10-11

HW:  12 &    IXL N.2 SS 75 & IXL N.5  SS 75

Fri: Go over page 12  Do Review    POP QUIZ

HW:  No Homework      RETAKE FOR MOD 3 IN CLASS ON TUESDAY NEXT WEEK

SEPTEMBER 15 - 19 W6 Q1 MOD 3/14

Mon:  Estimating Square Roots 19-20    How to estimate square roots

HW:   IXL E.4  SS 90

Tue:  Rational vs. Irrational Numbers 21-22 - 23    How to classify Real Numbers How to Order Real Numbers

HW:  pg. 24 & IXL F.3 SS 80 

Wed:  Practice Test Mo 3/14 & RETAKE FOR MOD 2 TODAY IN CLASS

HW:  Finish Practice Test

Thur:  Go over Practice Test and Review in Class

HW:   STUDY FOR TEST

Fri:  TEST Mod 3/14

SEPTEMBER 8 - 12 W5 Q1 MOD 3/14

Mon:  Rational Numbers pg. 1, 2    How to convert Fraction to Decimal Decimal to Fraction Repeating Decimal to Fraction Groups of Rationals

HW:  3, 4

  Tue:  Add/Subtract Rationals pg 5-6 Add/Subtract with Rationals

HW:  7-8   (do not do # 1-4 on pg 7)

Wed:  Mult/Divide Rationals pg.  9, 10   Multiply Rationals Dividing Rationals

HW:  11, 12, 13   (pg 12 do not do 18, 19, 20)

Thur:  IXLs H.3  to SS 80 I.10 to SS 80

HW:  None 

Fri:  Squares and Square Roots pg. 16, 17 How to Video square root Squares video

HW:  18   Last Day for Progress Report Grade

September 1 - 5 W4 Q1 MOD 2

Mon:  NO SCHOOL

Tue:  Order of Operations 5-6 Order of Operations Rules Review Order of  Operations of integers

HW:   7, 8, 9

Wed:   IXL   B.25  SS 90  if you go to SS100 you will get 1 point of extra credit

HW:  10-11

Thurs: Practice Test Mod 2 Go over in class      RETAKE MOD 1 IF NEEDED TODAY

HW:   Study for Test Mod 2

Fri:   TEST Mod 2

AUGUST 25 - 29 W3 Q1 MOD1 & 2

Mon:  Go over 7,8,9  Do 10 Subtract Integers  &    Subtract with Integers Rule only video

HW:  pg. 11, 12

Tue:  Practice Test for Module 1 Add/Subtract Integers

HW:   Finish Practice Test

Wed:  Go over Practice Test and IXL B.9 B.12 B.13 all to a SS 80

HW:  STUDY FOR TEST

Thur:  TEST on MOD 1

HW:  None

Fri:  Get Mod 2 Multiply/Divide Integers On a number line  With Tiles Rules

HW:  pgs. 2-3

Click to go to Module 1

Rules for Multiplying Integers & Dividing!!

  • A positive number times a positive number equals a positive number.

  • A positive number times a negative number equals a negative number.

  • A negative number times a positive number equals a negative number.

  • A negative number times a negative number equals a positive number.

AUGUST 18 - 22 W2 Q1 MOD1

Mon: Get Module 1  Absolute Value and Opposites pg. 1-2   Interger and Absolute Value  

HW:  pg. 3 & IXL A.5  to SS 100        all homework is always due the next day

****If IXL is completed Late for any reason:  YOU MUST EMAIL me at susan.mclean@sanjuan.edu with the IXL Letter & Number for me to go back and check it to give you credit*****

Tue:  Adding integers  pg. 4, 5, 6 Rules to add Integers Adding on a number line Adding with tiles/#chips

HW:  pg. 7, 8, & 9

Wed-Fri:   I - Ready Testing      No Homework

First Week of School- August 14-15    W1     Q1       Module 1         

Learning Targets:  1.  What is an Integer   2.  What is Absolute Value and Opposites  3.  Add Integers on a number line

 Thursday - Class Expectations and requirements,   get seats,  Go over how to calculate own grade,  try out Chrome Books & Website if time

 HW: Try ardenmath7.com from home  

Friday -  Go over classroom expectations, rules, procedures log into computer if time.   Discover  ARDENMATH7.COM                                                                         Interger and Absolute Value    Practice Absolute Value                    Google Slide Integer Absolute Opposite

HW:   Get class supplies by Monday & Return signed green paper on Accelerated Math 7 Expectations

MAY 26 - 30 W37 Q4

Mon:    NO SCHOOL

Tue:  Apply Theorem 3D  pg 15 HW:  pg. 16                                                                                                                               Wed:  Practice Test Pythagorean/Go over HW:  STUDY                                                                                                                                       Thur:  TEST PYTHAGOREAN THEOREM HW:  NONE                                                                                                                                                                                                                     FRI:  Begin Practice Review for FINAL NEXT WEEK!!!!!!!!

Google Sites
Report abuse
Page details
Page updated
Google Sites
Report abuse