Example 5: /RRNDWWKHVHREMHFWV:ULWHIRUWKHOLJKWHVWDQGIRUWKH KHDYLHVW Solution: 23145 Example 6: &RPSDUHWKHIROORZLQJREMHFWV:ULWHQXPEHUVDQG LQWKHER[HVEHORZWKHP:ULWHIRUWKHOLJKWHVWDQGIRUWKH KHDYLHVW2QHLVEHHQGRQHIRU\\RX a) 1325 4 E Measurements 47
c) d) e) Train My Brain Compare the following objects and write numbers 1, 2, 3, 4 and 5 in the boxes below them. Write 1 for the lightest and 5 for the heaviest. a) b) 48
8.2 I Apply :HFRPSDUHWKHZHLJKWVRIREMHFWVXVLQJDVLPSOHEDODQFH 7KHSDQRIWKHVLPSOHEDODQFHZLWKWKHKHDYLHUREMHFWJRHVGRZQ7KHSDQV DUHEDODQFHGLIWKHREMHFWVRQWKHPDUHRIWKHVDPHZHLJKW $QRUDQJHLVheavier $ZDWHUPHORQLVlighter %RWKWKHERWWOHVDUHRI WKDQDEDQDQD WKDQIRRWEDOOV WKHsame weight Example 7: /RRNDWWKHREMHFWVRQWKHVLPSOHEDODQFH7LFNWKHKHDYLHU REMHFWDQGFURVVWKHOLJKWHURQH2QHLVGRQHIRU\\RX Simple balance Objects 98 Measurements 49
Simple balance Objects 50
Example 8: & RPSDUHWKHZHLJKWVRIWKHVHREMHFWV2QHLVGRQHIRU\\RX a) BBBBB BBBBB E BBBBB BBBBB F BBBBB BBBBB G BBBBB BBBBB Measurements 51
e) BBBBB BBBBB 8.2 I Explore (H.O.T.S.) /RRNDWWKHVHFRQWDLQHUVRIGLIIHUHQWVL]HV 7KH\\KDYHGLIIHUHQWKHLJKWVDQGZHLJKWV7KH\\KROGGLIIHUHQWDPRXQWVRIZDWHU PLONRURLO$ELJJHUFRQWDLQHUFDQKROGPRUHZDWHUWKDQDVPDOOHURQH Example 9: 7LFNWKHREMHFWWKDWFDQKROGPRUHZDWHU2QHLVGRQHIRU\\RX a) 9 E 52
F Maths Munchies 213 7KH(J\\SWLDQVFDPHXSZLWKDIHZXQLWVWREHPRUHDFFXUDWHLQ PHDVXULQJGLIIHUHQWOHQJWKV)RUH[DPSOH FXELWLVQHDUO\\HTXDOWRKDQGVSDQV IRRWLVQHDUO\\HTXDOWRRQHDQGDKDOIRI\\RXUKDQGVSDQ Connect the Dots English Fun P$& ( (D T B Y I T ( D B D B2UG+ *LYHQEHORZDUHSLFWXUHVRIQRQVWDQGDUG $$& S F K&$UG XQLWVRIOHQJWK,GHQWLI\\DQGFLUFOHWKHPLQ L $ U PGD+1 LW WKHZRUGVHDUFKSX]]OH2QHLVGRQHIRU W9 B R B P F 22 T \\RX R P I ( R + ( 0W I 2L T $$Y L $R T T $ ( &19 L D J ( ( Y D+DDX ( YD W ( G ( X ( Y I WQ + $ 1 D S P $ 122 Measurements 53
EVS Fun 7KHVPDOOHVWDQGOLJKWHVWELUGLQWKHZRUOGLVWKH ¶KXPPLQJELUG· Drill Time Concept 8.1: Measure Short Lengths Using Non-Standard Units 1) Long and short /RRNDWWKHSLFWXUHJLYHQDQGDQVZHUWKHIROORZLQJTXHVWLRQV $ (B) & D :KLFKSHQFLOLVWKHORQJHVW\" E :KLFKSHQFLOLVWKHVKRUWHVW\" F :KLFKSHQFLOLVRIPHGLXPOHQJWK\" 2) Measure lengths using non-standard units. 5DQLPHDVXUHVWKHOHQJWKVRIVRPHREMHFWVZLWKKHUKDQGVSDQ 7KHLUPHDVXUHPHQWVDUHDVJLYHQEHORZ 7DEOH KDQGVSDQV :LQGRZ KDQGVSDQV %HG KDQGVSDQV 1RWHERRN KDQGVSDQV 54
Drill Time %DVHGRQWKHJLYHQLQIRUPDWLRQDQVZHUWKHIROORZLQJTXHVWLRQV D :KLFKREMHFWKDVWKHPD[LPXPOHQJWK\" E :KLFKREMHFWPHDVXUHVWKHOHDVWLQOHQJWK\" F :KLFKREMHFWLVORQJHU WKHWDEOHRUWKHEHG\" G :KLFKREMHFWLVVKRUWHU WKHZLQGRZRUWKHQRWHERRN\" 3) Measure the length using the given smaller objects. D E F G Measurements 55
Drill Time Concept 8.2: Compare Heavy and Light Objects 4) Observe the given picture and answer the following questions. ZKLWHEDOO IRRWEDOO EDOORRQÀOOHGZLWKDLU D :KLFKRXWRIWKHWKUHHZHLJKVLVWKHKHDYLHVW\" E :KLFKRXWRIWKHWKUHHLVWKHOLJKWHVW\" A Note to Parent 0HDVXUHDQGUHFRUGWKHPHDVXUHPHQWVRIDGLQLQJWDEOHVHDWRIFKDLUDQG VRIDZLWK\\RXUKDQGVSDQDVZHOODVFXELW5HFRUGWKHPHDVXUHPHQWVWDNHQE\\ \\RXDQG\\RXUFKLOGLQGLIIHUHQWFROXPQV&RPSDUHWKHPWRVKRZWKHGLIIHUHQFH EHWZHHQWKHVL]HVRI\\RXUDQGWKHLUKDQG 56
Chapter Data Handling 9 I Will Learn About WKHWHUPV¶GDWD·DQG ¶FROOHFWLRQ· LQWHUSUHWLQJGDWD Concept 9.1: Collect, Represent and Interpret Data I Think %DQWHLKDVDFROOHFWLRQRI GLIIHUHQWWR\\V+HNQRZV WKHWRWDOQXPEHU+H ZDQWVWRNQRZKRZPDQ\\ WR\\VKHKDVRIHDFKW\\SH +RZFDQ%DQWHLÀQGWKLV RXW? 57
9.1 I Recall :HKDYHOHDUQWKRZWRFRXQWWKHQXPEHURIREMHFWV/HWXVUHFDOOWKHVDPH 2EVHUYHWKHJLYHQDQLPDOVRQWKHIDUPDQGDQVZHUWKHTXHVWLRQV D &RXQWWKHQXPEHURIVKHHS > @ E +RZPDQ\\EXWWHUÁLHVFDQ\\RXVHH\" > @ F +RZPDQ\\GXFNVFDQ\\RXFRXQW\" > @ G &RXQWWKHQXPEHURIGRJ V >@ 58
9.1 I Remember and Understand /HWXVOHDUQWRLGHQWLI\\DFROOHFWLRQ Collection: $JURXSRIVLPLODUW\\SH DQGIRUPLWVGDWD RILWHPVRUREMHFWVWDNHQWRJHWKHULV FDOOHGDcollection Example 1: + HUHDUHDIHZ FROOHFWLRQVRI Data:$FROOHFWLRQRIIDFWVVXFKDV REMHFWV1DPHWKHP QXPEHUVZRUGVPHDVXUHPHQWVDQG 2QHLVGRQHIRU\\RX VRRQLVFDOOHGdata $FROOHFWLRQRI $FROOHFWLRQRI $FROOHFWLRQRI SHQFLOV _________________ _________________ $FROOHFWLRQRI $FROOHFWLRQRI $FROOHFWLRQRI __________________ __________________ _________________ Data Handling 59
1RZOHWXVVHHWKHIROORZLQJH[DPSOH Example 2: 2 EVHUYHWKHFROOHFWLRQRIEDOOVDQGDQVZHUWKHTXHVWLRQV D + RZPDQ\\EDOOVDUHWKHUHDOWRJHWKHU\" E + RZPDQ\\EDOOVDUHRUDQJH LQFRORXU\" F + RZPDQ\\EDOOVDUHEOXHLQ FRORXU\" G + RZPDQ\\JUHHQEDOOVDUH WKHUH\" H :KLFKFRORXUHGEDOOLVRQHLQ QXPEHU\" Solution: D 7RWDOQXPEHURIEDOOVLV E 7KHUHDUHRUDQJHEDOOV F 7KHUHDUHEOXHEDOOV G 7KHUHDUHJUHHQEDOOV H 3LQN )URPDFROOHFWLRQZHJHWVRPHdata)URPWKLVdataZHJHWVRPHinformation Train My Brain E F D 7KLVLVDFROOHFWLRQRI 7KLVLVDFROOHFWLRQRI 7KLVLVDFROOHFWLRQRI ___________________ ___________________ ___________________ 60
9.1 I Apply :HFROOHFWGDWDWRJHWVRPHLQIRUPDWLRQIURPLW/HWXVVHHDIHZH[DPSOHVRI GDWDFROOHFWLRQ Example 3: 5DGKDZHQWWRDYHJHWDEOHPDUNHW 6KHERXJKWWKHYHJHWDEOHVVKRZQRQ WKHULJKW0DNHFROOHFWLRQVRIHDFK W\\SHRIYHJHWDEOH Solution: 7KHFROOHFWLRQVRIHDFKW\\SHRI YHJHWDEOHDUH Vegetable Collection No. of vegetables Example 4: 5DYLNHSWVRPHSHQFLOVHUDVHUV Eraser Solution: DQGVKDUSHQHUVLQDER[0DNH FROOHFWLRQVRIHDFKW\\SHRILWHP Eraser 7KHFROOHFWLRQVRIHDFKW\\SHRI Eraser Eraser LWHPDUH Data Handling 61
Item Collection No. of items 4 Eraser 4 Eraser Eraser Eraser Eraser 9.1 I Explore (H.O.T.S.) 1RZOHWXVVHHDQRWKHUH[DPSOH Example 5: 2EVHUYHWKHFROOHFWLRQRIELUGVLQD]RR 0DNHFROOHFWLRQVRIHDFKW\\SHRIELUG$QVZHUWKHTXHVWLRQVWKDWIROORZ D + RZPDQ\\ELUGVRIHDFKW\\SH DUHWKHUH\" E : KLFKWZRELUGVDUHHTXDOLQ QXPEHU\" F : KLFKELUGLVWKHPD[LPXPLQ QXPEHU\" G : KLFKELUGLVWKHPLQLPXPLQ QXPEHU\" H : KDWLVWKHWRWDOQXPEHURI SHDFRFNVDQGSDUURWV\" I : KLFKELUGLVPRUHLQQXPEHUKHQ RURZO\" 62
Solution: D 1XPEHURIELUGVRIHDFKW\\SHDUHDVJLYHQEHORZ Bird Collection Number of Birds 3DUURW 7 3HDFRFN 6 +HQ 'XFN 4 3LJHRQ &URZ Data Handling 63
Bird Collection Number of Birds 2ZO 6SDUURZ E 3HDFRFNDQGGXFN SLJHRQDQGVSDUURZ F 3DUURW G 3LJHRQDQGVSDUURZ H I +HQ Maths Munchies ,QDGDWDDW\\SHRIREMHFWPD\\UHSHDWPDQ\\WLPHV:HGUDZDV 213 PDQ\\OLQHVDVWKHQXPEHURIWLPHVLWUHSHDWV )RUH[DPSOH 7KHUHDUHDSSOHVDQGPDQJRHVLQDEDVNHW,WDOVR FRQWDLQVEDQDQDVSLQHDSSOHDQGJXDYDV 5HSUHVHQWLQJDOOWKHVHLQSLFWXUHIRUPZLOOWDNHWLPH0DNHLWHDV\\E\\ GUDZLQJDVPDQ\\OLQHVDVWKHQXPEHURIHDFKW\\SHRIIUXLW $SSOHV __________ 0DQJRHV ______ %DQDQDV ___ 3LQHDSSOH | *XDYDV __ &RXQWLQJWKHREMHFWVEHFRPHVHDVLHUE\\GUDZLQJWKHVHOLQHV<RXFDQDOVR JURXSWKHOLQHVLQEXQGOHVRIÀYHIRUTXLFNHUDGGLWLRQ7KLVLVXVHIXOLIWKH QXPEHURIREMHFWVLVODUJH 64
Connect the Dots EVS Fun 7KHUHDUHVSHFLDOQDPHVIRUWKHFROOHFWLRQVRIDIHZWKLQJV)RU H[DPSOH D $FROOHFWLRQRUDJURXSRIOLRQVLVFDOOHGD¶pride· E $FROOHFWLRQRUDJURXSRIELUGVLVFDOOHGD¶ÁRFN· F $FROOHFWLRQRUDJURXSRIKRQH\\EHHVLVFDOOHGD¶swarm· English Fun &RXQWWKHQXPEHURIOHWWHUVLQWKHIROORZLQJZRUGV0DNHFROOHFWLRQRIZRUGV EDVHGRQWKHQXPEHURIOHWWHUVLQHDFKZRUG +LQW +RZPDQ\\WKUHHOHWWHUZRUGVDUHWKHUH\"+RZPDQ\\IRXUOHWWHUZRUGV DUHWKHUH\" &$7 $1,0$/ )52* '21.(< &$5527 %$7 0$1 +23( -803 60,/( $1*5< Number of letters (Collection) in the word Number of words 4 6 Data Handling 65
Drill Time Concept 9.1: Collect, Represent and Interpret Data 1) What collections do these pictures show? D E F G 2) Observe the picture and answer the following. D + RZPDQ\\EXWWHUÁLHVDUHWKHUHDOWRJHWKHU\" 66
Drill Time E + RZPDQ\\RUDQJHEXWWHUÁLHVDUHWKHUH\" F + RZPDQ\\EOXHEXWWHUÁLHVDUHWKHUH\" G : KLFKFRORXUEXWWHUÁ\\LVWKHPD[LPXPLQQXPEHU\" H : KLFKFRORXUEXWWHUÁ\\LVWKHPLQLPXPLQQXPEHU\" 3) Observe the collection given. 0 DNHFROOHFWLRQVRIHDFKW\\SHRIIUXLWDQGDQVZHUWKHTXHVWLRQV WKDWIROORZ D +RZPDQ\\IUXLWVRIHDFKW\\SHDUHWKHUH\" E : KLFKIUXLWLVWKHPD[LPXPLQQXPEHU\" F : KLFKIUXLWLVWKHPLQLPXPLQQXPEHU\" G : KDWLVWKHWRWDOQXPEHURIEDQDQDVDQGVWUDZEHUULHV\" H : KDWLVWKHWRWDOQXPEHURIDSSOHVDQGSLQHDSSOHV\" I : KDWLVWKHGLIIHUHQFHEHWZHHQWKHQXPEHURIVWUDZEHUULHVDQG DSSOHV\" Data Handling 67
A Note to Parent $VN\\RXUFKLOGWRFRXQWWKHQXPEHURIDXQWVXQFOHVDQGFRXVLQVKHRUVKHKDV $VNKLPRUKHUWRPDNHDOLVWDQGZULWHWKHWRWDOIRUHDFKJURXSLQKLVRUKHU QRWHERRN 68
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