Sim in MATH 7

1. AStrategicInterventionMaterial
MathematicsGrade7
RONAJ.MOSELINA
GuisguisNationalHighSchool
Least Mastered Learning Competency
 Interprets the meaning of an where n is a positive integer.
Subtasks:
1. Identify the base and exponent of a given expression.
2. Evaluate the expression.

2. TOPIC:
WHYEXPONENT/
POWERSARE
IMPORTANT?
IDON’TGETIT…..I’LL
LOOKFORAPATTERN
TOFIGUREITOUT.
BECAUSE
EXPONENTS
AREUSED
INA
VARIETYOF
WAYS.
HEY! WHERE
THE POWERS?
WHERE SUPPOSED
TO GET SPECIAL
TREATMENT!
THERE, AT THE
BASEMENT.
HURRY UP,
GUYS! LET US
DISCOVER!

3. ACTIVITYCARD
D.5x5x5x5x5C.10x10x10x10
E.2x2x2x2 B.3x3x3 A.2x2
4
27
3125
16
10,000
Turnto
nextpage.
You
want
more?
Begin at the box under the large “start here” arrow. Solve the exponent problem shown & fol-
low choices to the next box, continue through the maze until the “End” box.
If you get…
Perfect Score(15)
12-14
9-11
8 and below

4. Expand-simplifythegivenexpression.
4.43 5.2x2x2
1.105
2.24 3.3x3x3
Answers:
1._______________2._______________3._______________4._______________5._______________
Question:
Didyounoticesomething?
Whatcanyouconcludeaboutan?
Checkyour
answer.
Congratulations!
To get your
reward, proceed
to the next
activity.
Fight your way to
victory!

5. FILLMEIN!
Completethetablewiththecorrectanswer.
GivenBaseExponent
Expanded
Form
SimplifiedValue
1)
2)
3)7x7x7x7
4)5x5x5x5x5x5
5)8x8x8
= a x a x a x a …... (n times)
In an, a is called the base and n is the exponent.
FOR YOUR INFORMATION………

6. Medicine
Doctorsmayuseexpo-
nentstofigureouthow
quicklyadiseaseis
goingtospread,asan-
tigensmultiplythem-
selvestoattackthe
body.
EXPONENTIN
THEREAL
WORLD
CountingLarge
Numbers
Exponentsareusedwhen
countingthingsvery
quickly.Forexample,the
numberofbacteriaina
singlesneezeisbetween
1x104and1x105
Computers
Exponentsareoften
usedtodescribeacom-
puter’smemory.For
example,1gigabyteof
RAMmeansthatyou
have1x109bytes.
ScientificNotation
Scientistuseexponentstomeasure
sizeofanearthquake.25is
2x2x2x2x2.Anotherwaytheyare
usedtomeasurelargedistances.For
example,thedistancefromtheearth
tothemoonis1x105km.
ENRICHMENT
ACTIVITY
Evaluate the following.
1. (32)4 = ___________________________
2. (an)m = ___________________________
3. (23)2 = ___________________________
4. (x4)3 = ___________________________
5. (22)2 = ___________________________

7. References
Dilao,SoledadJ.,OrinesFernandoB.,&Bernabe,JulietaG.(2009).Ad-
vancedAlgebra,TrigonometryandStatistics.DepartmentofEducation,
RepublicofthePhilippines
WWW.GOOGLE.COM&WWW.ImagesSearchEngines
EFERZAAcademicPublications,2010SecondaryEducation.TeachingGuide
inElementaryAlgebra.
ANSWER KEY
D.5x5x5x5x5
C.10x10x10x10
E. 2x2x2x2
B.3x3x3X3A.2 x 2
4 27
3 125 16
10,000

8. Beginattheboxunderthelarge“starthere”arrow.Solvetheexponentproblemshown&fol-
lowchoicestothenextbox,continuethroughthemazeuntilthe“End”box.
Expand-simplify the given expression.
4. 435. 2x2x2
1. 105
2. 243. 3x3x3
Answers:
1._10x10x10x10x10 2. _2x2x2x2x 3. _3 3 4. 4x4x4 5. _2 2
Question:
Did you notice something? Yes
What can you conclude about an ? In an, a is called the base and n is the exponent.

9. FILLMEIN!
Completethetablewiththecorrectanswer.
GivenBaseExponent
Expanded
Form
SimplifiedValue
1)828x88264
2)10510x10x10x10x10105100,000
3)7x7x7x7747x7x7x7742,401
4)5x5x5x5x5x5565x5x5x5x5x55615,625
5)8x8x8838x8x883512
ENRICHMENT
ACTIVITY
Evaluate the following.
1.(32)4 = 38 = 6,561
2. (an)m = anm
3. (23)2 = 26 =64
4. (x4)3 = x12
5. (22)2 = 24 =16

10. Preparedby:
RONAJ.MOSELINA
Teacher-II
Approved:
JULITAM.VALDEZ
Principal-II