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Mathematics

I. Show that changing the order of two addends does not affect the sum.

II. Showing that changing the order of two addends does not affect the sum

Ref. PELC I B 1.1.3 pg. 43 BEC Prototpe pg. 1!"#11!

Materia$s% Counters & p$ace 'a$ue chart & show#me#(oard

)a$ues %C$ean$iness and neatness in drawing and co$oring sets

III. *.1. +ri$$ % +ri$$ using f$ashcards.

,. Matching game

3. Sing a song to the tune of C$ementine.

B. Presentation

1. -ae out the num(er cards assigned ear$ier to the pupi$s./hat is the addition sentence for this one0

3 2 , 5

/hat are the addends 0 /hat is the sum 0

, 2 3 5

/hat are the addends now 0 /hat happened to the order of the addends 0 -he order of the addends changed 5

,. Ca$$ a pupi$ to show his6her cards. /rite , num(er sentence from the picture card in

their show#me#(oard to show that changing the order of the addends does notaffect the sum.

3. 7n a sheet of paper & draw , sets of picture cards and write a addition sentence for

each set.

)a$uing % /h is it important to mae our seatwors c$ean and neat 0

4. 8enera$i9ation

/hat happens to the sum when we change the order of the addends0

C. *pp$ication8roup the pupi$s into . 8i'e each group an acti'it card. :a'e them change the

order of the gi'en addends and find the sum.&

I). ;ind the sum.

Comp$ete the ff. addition stories.

4 2 ,

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Mathematics

I. *dd three 1#digit num(ers ha'ing sums up to 1? hori9onta$$ and 'ertica$$.

II. *dding three 1#digit num(ers ha'ing sums up to 1?

Ref. PELC I B 1.1.= pg. 43 BEC Prototpe pg. 11!#11,

Materia$s % Counters & p$ace 'a$ue chart & show#me#(oard

)a$ues %C$ean$iness and neatness in drawing and co$oring sets

III. *.1. +ri$$ % Spin the outer circ$e of the rou$ette and gi'e the sum.

,. Re'iew % /rite , addition stories for e'er domino cards.

3. Moti'ation % :a'e ou (een to the 9oo 0/hat anima$s do ou see there 0

Can ou count them at the same time 0

B. +e'e$opmenta$ *cti'ities

1. Present a word pro($em using cut#outs of anima$s.

/ho went to the 9oo 0/hat did the see 0:ow man (irds did the see 0mones 0 Lions 0

/hat wi$$ (e the addition sentence 0 :ow man addends are there 0

/hat shou$d we add first to get its sum 0 ;irst , addends 5

Show % 24 5 23 @

/hat do we do neAt 0 *dd its sum to the $ast addends to find the tota$ sum.5

Show % 24 5 2 3

@ 2 3 1,

/hat is the other wa of writing addition sentence 0

Show %

4 @ 2 3 3

1,

+o we fo$$ow the same step in finding the sum 'ertica$$ 0

/hat shou$d we remem(er in finding the sum of three 1#digit num(ers 0

,. /rite the addition sentences for each picture stor . ;o$$ow the steps of finding the

sum of three addends.

3. Magic sum % -he sum of 3 nos. in each co$umn eua$ to the sum of 3 nos. in each

row.

1 , 4

, !4 ! 3

)a$uing % :ow were ou a($e to gi'e the correct answer 0 /h 0

4. 8enera$i9ation:ow do we add 3 1#digit num(ers 0

C. *pp$ication

Ca$$ three pupi$s to go on the (oard . 8i'e one num(er sentence with three

addends. -he first one to answer it correct$ wins the game.

I). E'a$uation

8i'e the sum.

3 2 4 2 ,

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Mathematics

I. Show that changing the grouping of three or more addends he$ps mae computation eas.

II. Showing that changing the grouping of three or more addends he$ps mae computation

easRef. PELC I B 1.1." pg. 43

BEC Prototpe pg. 113#11

Materia$s % Counters & f$ashcards & show#me#(oard

)a$ues %*cti'e participation in group acti'ities

III. *.1. +ri$$ % *ddition sentences ha'ing sums up to 1? using f$ashcards in a game.

,. Re'iew % *ddition of three 1#digit num(ers.

3. Moti'ation % P$a % um(er Dids

B. +e'e$opmenta$ *cti'ities 1. Choose three addends ( ca$$ing the um(er Dids

8uide the pupi$s in finding the sum ( putting together the two addends then add

the sum to the $ast addends.

Show the num(er sentence on the (oard.

Fsing the same num(er ids & change the grouping of addends ( putting the hu$a

hoop to the other group of num(er ids.

/hat happens to the sum after changing the grouping of three addends0 ,. Ca$$ two pupi$s to go to the (oard . ;inf the sum of num(er sentence w6 three

addends gi'en. Pupi$ 1 Pupi$ ,

325 2= 3 2 2 = 5 ? 2 = 14 3 211 14

3. 8roup the pupi$s into . 8i'e each set a group acti'it card w6

addition sentences. ;ind the sum ( grouping the addends in two was.

= 2 " 2 3

a.

(.

)a$uing % /h did group win 0 /hat made them win 0

4. 8enera$i9ation:ow do we mae computation of three or more addends eas0

C. *pp$ication

8roup the addends and find the sum.

I). E'a$uation

;ind the sum.

*. 3 2 2,5

2

). *ssignment

Supp$ the missing addends and find the sum.

*. = 2 5 2 4

1! 2 4

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Mathematics

I. *dd menta$$ two to three 1#digit num(er with sums up to 1?.

II. *dding menta$$ two to three 1#digit num(er with sums up to 1?

Ref. PELC I B , pg. 43 BEC Prototpe pg. 11 # 11"

Materia$s % Counters & f$ashcards & show#me#(oard

)a$ues %*cti'e participation in group contests

III. *.1. +ri$$ % *ddition with sum up to 1?

,. Re'iew % Change the grouping of addends and fiind the sum of addition sentences

on the (oard.

3. Moti'ation % *ddition song.

B. Presentation 1. P$a the Concentration gameG

Let the pupi$s c$ap their hands then snap the fingers of their $eft hand

fo$$owed ( their right hand as the teacher points to the addition sentences

with two 1#digit no. w6 sums up to 1? on the (oard.

-he pupi$s shou$d gi'e the answer w6out (reaing the continuous pattern.

+id we use paper and penci$ in adding the num(ers 0

,. P$a Pic Pac BoomG # 8roup 8ame and Contest

3. 8enera$i9ation

:ow do we add two to three 1#digit num(er with sums up to 1? 0

)a$uing % /hose group won toda 0 /h did the win 0C. *pp$ication

Pass it on H

+ictate the addition sentence . Pupi$s wi$$ write the sentence then pass it on to

the neAt pupi$ to find the sum.

I). ;ind the sum.

Pupi$s write the sum of each addition sentence shown on the (oard using their show#mecards.

*. 3 2 B. 2 = 2 @

). Mae ten f$ashcards with sums not more than 1? and practice finding their sum.

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Mathematics

I. *dd 1 to , num(ers with sums through @@ without regrouping.

II. *dding 1 to , digit num(ers with sums through @@ without regrouping

Ref. PELC I B 3 pg. 43 BEC Prototpe pg. 11?#1,!

Materia$s % Counters & p$ace 'a$ue chart & show#me#(oard

)a$ues %*ttenti'eness to detai$s

III. *.1. +ri$$ % *dding two 1#digit num(ers ha'ing sums of 1? and $ess using f$ashcards.

,. Re'iew % Put the ff. num(ers in the p$ace 'a$ue chart.

um(e

r

-ens 7nes

1",@

"

"?

@=

3. -eacher shows addition sentences in the ff. position.

4 3=

2 , 2 1

/hat can ou sa a(out the num(ers to (e added0 /ou$d ou $ie to add num(ers

in the position 0 Its so eas H I$$ show ou how.B. Presentation

1. Lets start with 4 written on the (oard.

2 ,

Represent the , num(ers using their (und$ed popsic$e stics in counting the tens

and their $oose popsic$e stics in counting ones.

EA. ////////// ////////// ////////// ////////// ////// 45

+ // 2

40 + 7 = 47

-eacher shows how to do it.-r the short wa of adding these num(ers.

4 3 ,"

2 , 2 ?= 2 ,1

8uide the pupi$s in adding the num(ers./hat are added first 0 Second 0

*re their sum simi$ar to the sum we got in the eApanded form 0

,. Ca$$ pupi$s to go to the (oard . *dd an addition sentence

simu$taneous$.

3. Pass the (a$$ whi$e p$aing the music. /hen the music stops & the pupi$ ho$ding the(a$$ wi$$ go to the (oard and answer one addition sentence. 4. 8enera$i9ation

:ow do we add 1 to , num(ers without regrouping 0

C. *pp$ication

+raw a house & choose and write two addends from our drawing and find their

sum.

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11 , ,,

3 3, 1=

4, 3 13

)a$uing% /hat must we do when the teacher is gi'ing directions and eAamp$es0

I). ;ind the sum.

,3 ,4

2 4 2

). Comp$ete the house ( adding the num(er sentences.

31 4,

2 1" 2 4

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Mathematics Date : ____________________

Day : ___________________ Time : ___________________

I. *na$9e word pro($ems in'o$'ing addition of who$e num(ers ( te$$ing what is6are

gi'en in the pro($em.

II. *na$9ing pro($ems ( te$$ing what is 6 are gi'en in the pro($em

Ref PELC I B 4.1.1.1 pg.44

BEC Prototpe pg. 1,=#1,@

Materia$s % /ord pro($ems & counters

)a$ues% Proper utrition

III. *.1. +ri$$ % ;$ashcard dri$$ on addition . ,. Re'iew % 8i'e what is ased in the pro($em.

3. Moti'ation and )a$uing % Song % ;ruit Sa$ad

/hat are the fruits mentioned in our song 0

*re fruits good to our (od 0 /hat must we remem(er a(out eating

fruits 0

B. Presentation

1. /ord pro($em

/hat is ased in the pro($em 0 /hat are the information gi'en to so$'e

the pro($em 0

So if we now what is ased in the pro($em &we need information toso$'e them & and that step is nowing what are gi'en.

a. Read the word pro($em in co$umn * and connect with the chosen gi'en

facts in co$umn B.

(. +istri(ute the strips of paper with facts . Present the word pro($em and

paste the gi'en facts under each word pro($em.

,. 8enera$i9ation %

/hat is the second step in ana$9ing a word pro($em0

C. *pp$icationComp$ete the word pro($ems ( gi'ing facts or information (ased on

the picture.

I). Encirc$e what are gi'en in each pro($em .

1. ina has 3 sma$$ (ananas and 4 (ig (ananas . :ow man (ananas does i$a ha'e 0

a. 3 sma$$ and 4 (ig (ananas (. 3 green and = e$$ow (ananasc. = sma$$ and ? (ig (ananas

). /rite the gi'en facts in each word pro($ems.

1. ;i'e (os are drining mi$.-went (os are drining Juice . :ow man

(os are drining 0

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4. /hat operation wi$$ ou use 0

. /hat is the num(er sentence 0

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I. Su(tract 1#digit num(ers w6 minuends = and ".

II. Su(tracting 1#digit num(ers w6 minuends = and "

Ref. . PELC C 1., pg. 44

BEC Prototpe L.P. pg 11=#11"

Materia$s % counters & f$ashcards

)a$ue% Being thrift

III. *.1. EAercises in 4 fs

,. Su(traction facts using f$ashcards.

3. Su(traction w6 minuends of 4 and .

4. Checing of assignment

B. 1. +o ou sa'e mone in (an 0

,. a. Present the stor pro($em.

/ho has P" in his pocet 0 :ow much did he sa'e 0 /hat ind of (o is he 0

Is (eing thrift important 0 /h 0

(. /rite the su(traction sentence on the (oard with the correct answer.

c. Continue the act. using cutouts in disco'ering su(traction com(ination w6

minuend of =.

d. Repeat the act. ff. the same procedure w6 minuend of ".

C. 8enera$i9ation %:ow man su(traction com(inations are there w6 minuend of = 0 of " 0

+. Su(tract

E. /rite the correct answer.

I). /rite our answers in the ($an.

1. =#4

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+a %

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I. Su(tract ,#digit nos. w6 minuends up to @@ w6 regrouping .

II. Su(tracting ,#digit num(ers w6 minuends up to @@ w6 regrouping

Ref. PELC C 1.3 pg. 4

BEC Prototpe L.P. pg 1"4#1""

Materia$s % ;$ashcards w6 su(traction& counters)a$ue% -hrift

III. *. 1. Menta$ Computation

,. ;$ashcard +ri$$

3. Re'iew % Supp$ the missing num(ers.

4. Moti'ation % If ou were gi'en mone &how wi$$ ou spend it 0

B. Presentation %

1. Present the stor pro($em

:ow man p$ates were there in the ca(inet 0

+emonstrate how to su(tract ,#digit nos. w6 regrouping . ;irst & write the no. in 'ertica$ form & second& identif the ones p$ace and the

tens p$ace & third & show how to regroup the nos.& then chec.

,. *ct. * Show#me#(oard

*ct. B /inner taes it a$$

3. 8enera$i9ation % :ow do ou su(tract ,#digit nos. w6 minuends up to @@

w6regrouping 0

C. *pp$ication % Regroup the counters and tae awa others to get the correct

answer.

I). EApand the num(ers and su(tract.1. "3

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Ref. PELC C , pg. 4

BEC Prototpe L.P. pg 1""#1?!

Materia$s % pictures of anima$s & chart & pocet chart

)a$ue% Lo'e and care for anima$s

III. *.1. Menta$ Computation

,. +ri$$ &%Fse Sam and SnaeG to add.3. Re'iew % Su(tract

4. Moti'ation % Song % I Lo'e Math

B. Presentation %

1. Stor Pro($ems ora$$

/hat are in the cage 0

:ow man are e$$ow 0 ($ue 0

/hat is the num(er sentence 0 answer 0

8i'e more stor pro($em to (e answered ora$$ .

,. *ct. * *nswer the su(traction sentence as fast as ou can.

*ct. B Numping to 'ictor

3. 8enera$i9ation % :ow did ou su(tract 1#digit nos. w6 minuends up to 1?

menta$$ 0

C. *pp$ication % Catching fish contest.

I). 7ra$ Practice

Pic -he fruits w6 su(traction facts . *nswer the num(er sentence ora$$.

). Practice su(tracting menta$$ the fo$$owing su(traction eAercises at home.

Mathematics +ate %

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III. *.1. EAercises in 4 fs

,. Su(tracting (asic facts w6 minuends up to 1? w6 and w6out regrouping.

3. Su(tracting 'ertica$$ and hori9onta$$.

4. Checing of assignment.

B. 1. 8i'e a mini# pro($em to su(tract menta$$.

,. Re$a 8ame in answering f$ashcards. Infuse the 'a$ue of sportsmanship.

C.8enera$i9ation

:ow did ou answer the su(traction facts f$ashcards 0 +id opu su(tract

menta$$0

+. *nswer whi$e f$ashing the f$ashcards .

E. *nswer ora$$.

I). ;ind the answers w6out using paper and penci$s.

1! 1,

# ? # 4

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*sing comprehension uestions a(out the pro($em.

,. Moti'ation %

/hat are the common fruits ou see in our p$ace 0 /hich of them do ou

eat 0

B. Presentation1. Let the pupi$s read the pro($ems on the chart .

K /hat is the fruit mentioned in the pro($em 0K :ow man (ananas are there in the tra 0

K /hat is ased in the pro($em 0

,. *ct. * Read the word pro($em and encirc$e what is ased .

*ct B 8i'e the correct answer . /hat is ased 03. 8enera$i9ation %

/hen we ana$9e words pro($em & what is the first step 0

C. *pp$ication %Read the pro($em and answer what is ased .

I). Encirc$e what is ased in the pro($em 0

1. Mother has 3= chicos and she ga'e ,1 to her friend . :ow man chicos were $eftto mother 0

a. num(er of chicos

(. num(er of mother

c. num(er of chicos $eft

). *nswer the eAercises in our note(oo. Encirc$e the correct answer.1. 8$enn has 3 newspapers. :e was a($e to se$$ 1 newspapers. :ow man newspapers

were not so$d 0

a. tota$ no. of newspapers

(. num(er of newspapers so$d

c. num(ers of newspapers not so$d

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:ow man roses did she (u 0

/hat is ased in the pro($em 0

/hat shou$d ou now (efore ou can answer the pro($em 0

/hat are gi'en in the pro($em0

,. *ct *. /hat is ased in the pro($em 0/hat are gi'en 0

3. 8enera$i9ation % /hat is the neAt step after nowing what is ased in

the pro($em 0C. *pp$ication % /hat is ased in the pro($em 0

/hat are gi'en in the pro($em 0

I). *nswer the uestions that fo$$ows .

1. Pau$a draws 3 gumame$as. She co$ored 1" gumame$as orange. :ow man

gumame$as are not co$ored 0

a. /hat is ased in the pro($em 0

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,. *ct. * Read the word pro($em and te$$ the word c$ue for the operation

needed.

*ct. B Read the pro($em and answer the uestions.

a. /hat is the word c$ue in the pro($em 0

(. /hat operation is needed to so$'e the pro($em 0

3. 8enera$i9ation % /hat are the other steps in so$'ing word pro($ems 0

C. *pp$ication % Read the pro($em and answer uestions a and (.

I). ;i$$ in the ($ans w6 the correct answer.

+raw ,4 (a$$s & 1! (a$$s are ($ue & the rest are red . :ow man are red 0

a. /hat is ased 0

(. /hat are gi'en 0

c. /hat is the word c$ue 0

d. /hat operation is needed to so$'e the pro($em 0

). Read the pro($em . -e$$ what is the word c$ue and the operation to (e used.

Ri9a had @ do$$s . She ga'e 3 do$$s to her poor friend. :ow man do$$s had Ri9a $eft 0

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I). Choose the correct answer .

1. Mother needs " eggp$ants .If she has 4 a$read & how man more does she need 0

/hich is the correct no. sentence 0

a. "24 (. "#4 c. "#,

). +raw a picture for each then write the num(er sentence.+anie$ has , (a$$s. :e ga'e 1= (a$$s to his (rother .:ow man (a$$s were $eft 0

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). Cop and answer the ff. pro($ems.

1. In a garden & there are ? pots of f$owering p$ants. 3" are santan p$ants.:ow man are

not santan p$ants 0

a. /hat is ased 0

(. /hat are gi'en 0c. /hat is the word c$ue 0d. /hat is the operation needed 0

e. /hat is the num(er sentence 0

f. /hat is the correct answer0