小學(xué)數(shù)學(xué)三年級(jí)位置與方向教學(xué)課件1維語

1、? ?ernhn. ?ennre.?t ?01n ?r? ?.enrh 3-?e?en n?een.1en.2-?e?e?1r?l? ? ?nn? ?ee?r?. ?e儀r儀er? .2 ?re?t儀? ?r?n ?n?rrh?e.ree ?etn儀hntng儀e儀?nen?et?e ?nern?. ?er?. ?rn? n?rnh?tn?r?e ?ger?e n?an ?er? ?r?e ?ean.?er?.?er?n.e.?t?,?e?ah ?nten3?er?.?er?n.e.?t?,ntng?e? ?e?. ?r?. ?eger?e?nenr?et?e ?nern? ?etg?e?.

2、?er? ?egr?e?e?ah ?nten ?etg?e?. ?n.e. ?egr?e?r? ?etg?e?. ?t?, ?egr?e?e?ah ?ntenntng儀e儀?nen?et?e ?nern?4?er?. ?en ?er? ?.rn?-?.rn?t?, ?en ?n.e. ?.rn?-?.rn? ?e?ah ?nten?nen?et?e ?nern?ntng儀e儀?er?.?er?n.e.?t?,?re?t儀? ?r?n ?n?rrh ?e.ree ?etn儀h 5?etg?e?. ?e?e.e?rr? ?t?eer? ?ee? ?nn?en ?re?t儀? ?r?n ra0?rr

3、h?e?ah ?ntenntng儀e儀?nenr?et?e ?nern?er?.?er?n.e.?t?,?e.ree ?eten儀h?e?ah ?nten?nenr?et?e ?nern?ntnge儀?r?n?.?n.e.?aut?m ?aa灄尌 ?a1?尌 ?灄?u ?a1灄尌 ?ria? ?1 ?rut?尌 ?ut? ?ui i?u?u1?6r?r儀.?rh nnern? ?tn? ?e0n.?nh ?er?. ?e?tnh nn.e. ?rn? e.0n.?nenr?et?e ?t?n?.r?r儀.?rh ?nern?ntnate? ntnr?ea?7請(qǐng)問去少年請(qǐng)問去少年宮怎么走？宮怎么

4、走？?. ?nenr?et?e net?n?. ?r1n ?儀n儀h ?tn? ?e.01. ?r1?nh ?er?. ?e?tnh nn.e. ?rn? e.0n.?nenr?et?e ?t?n?.r?r儀.?rh ?nern?ntnate? ntnr?ea?8?t?le?h n?.nn?e? ?ete儀n ?ete?tn?r?e ?tn? e0egr?e n?an(?er?)?ete?r?e ?a? e0egr?e n?an(?n.e.)?te?r?e ?ah e0egr?e n?an(?t?,)?r?e ?ean.9e?en? ?n.e. ?e? n?e?n ?rn? ?tn?r?e ?

5、et? n?rnh n?ane0egr?e (?t?,) ?r?e ?ete? ?a? e0egr?e n?an (?er?)?ete?r?e ?ah e0egr?e n?an(?er?.)?r?e ?ean.101.ntne?rr? ?g-n?et1e ?etenrh(?er?.)?egr?e ?n?l ?etenrh(?t?,)?egr?e.2.?e?r ?ee? ?e?nrh(?er?.) ? ?rn? ?n?0n. ?n?l ?lenrh ?ernn.?t?n(?t?,)n? ?rn? ?n?0n. ntn.e?r ?rnn.?e?etn.e?r (?er?)? ?rn? n?0n.

6、?g-n?et1e ?lenrh ?ernn.?ere? ?e1h?e?r ?ee? ?nrh? ?n?l ?nrhntne?r儀?g - n?et1e ?nrh?e?en ?e1h?n.e.1110ree1.?nn? ?r?t ?r?eah ?ett?n?r 50?e?r?.re1. aneren ?renn ?rnn 30ren?ener?ree1. ?nenr?et?e ?t?n?. e?rnn ?e?el?n ?et?e?nng ane ?renn ? ?nenr?et?e ?ett?n?. nt?rah ?l?n ?e?1? ?e?1n.?nn? ?r?t ?r?eah ?t?n?r

7、?n.e.12?.?nn儀n ?et?ena? ?er? ?egr?e( )?( ) ? ( ) rnn.2.?nenr?et?e ?nern? ?e,n1n ?ete?n ( ) ?egr?e ? ntn.nh ane ?etrenn ( ) ?egr?e.3.?r? nne.?ra0e?1n ?儀n ?g?e?. ?er1n ?儀n儀h ?tn? ?.01. ?r1?4.nne. ?ette ?儀h-?e? nte?a? ?er1n ?儀n儀h ?ne?0n. ?an ?te?nte ?ee? ?e?1n?n.e.?nee?1e ?etne?ehnne. ?e ?et ?nrh?e?.nn

8、e. ?儀n ?et ?nrhane ?rennntn.nhate? ntn?nenr?et?e ?nern?儀h-?e? ?te? ?e,n1n ?n?e?netee ?n?nn儀n ?ena?en儀 ?ena? ?ne?1e ?etne?ehnne. ?儀n ?et ?nrhntnate?t?,?er?.13。?ah ?r?e ?e?eer? n?an ?e?e.er? ?n rai.?. ?ner?n ?儀r儀e.?ren?n eleh ?ne?ene?.r?h ?ernnh-?ernnh ?r?eeah?nl ?.0? ?1e?e?er?. ?.n?e ?1e(?t?,)ne ?.01

9、 ?1e(?er?)?e ? ?. ?1e? (?n.e.)? ?.01 ?1e ra?ernen?.141)灄m灄n灄a t ?r? ?ut灄尌 - ?ut灄尌 ?r灄l ?尌 灄rur灄尌 ?00u尌 ?uaur ?ui ?uauririm ?ru尌 ?ut灄尌?m灄?t灄-?ut灄尌 ?r灄l ?尌 灄?1um ?a?uaur rau1t0 ?utu 2)?uauririm 尌 ?灄? riri ?ua灄?a灄m ?u?0 灄m灄n灄a ?尌? ?a灄m ?tua?uaa灄1 ?ra灄?(?尌 灄?1um ?aur ?i ?a灄ra灄?) tua?uaa灄15re?eg ?儀儀nr儀nt

10、ua?uaa灄1515?er?. ?en ?er? ?.rn?-?.rn?t?, ?en ?n.e. ?.rn?-?.rn?er?.?er?n.e.?t?,?aut?m ?aa灄尌 ?a1?尌 ?灄?u ?a1灄尌 ?ria? ?1 ?rut?尌 ?ut? ?ui i?u?u1 。?uau? ?uaau1灄l16?r? ?er?e?eh ?r0 ?urt?ua?u尌 ? ?uan?a0? ?umt? ?ur灄?u ?0u?ti .ntn.nh?n.e.?t?,?er?er?.?r?. ?n.e.?r?. ?t?,?nr? ?n.e.?nr? ?t?,?re?t儀? ?r?n ?n?rrh?e.

11、ree ?etn儀h17?r?n.e.taa灄a?t灄l ?1u?灄 ?l灄灄1 ?1uaut?m?u?尌0? ?ut灄1 ?t? ?灄?u ?a0?t? ?u?尌0? 灄rut灄1 ?ut? ?尌 ?a灄m ?ua? ?rt?0181 - ? 灄0 ?1ian灄尌 ?uaur ?1uaut?m?n?te?nh ?enntnenag?enn.ntnr?ea?ntng儀e儀?儀儀h? ?nern?r?r儀.?rh ?nern?ntnate?raent?nnl ?en?nn1-?an nna? ?et?n?egnh ?儀r?n ?t?nte ? ?e?1n?n.e.19?n.e.?t?,?er?e

12、r?.?r?. ?n.e.?r?. ?t?,?nr? ?n.e.?nr? ?t?,?uau? ?uaau1灄l20?um?尌 ?ut灄尌21?e?en?nn ?lnrh ne.eenn? ?n ?n ?nh n?g?t?, ?e?tnh?e01. ?er?. ?e01. ?1 ?1 ?nh nn.e. ?e01. ?e?tnh? ?ner? ?e01. ?len儀h ?ernn.e? ?etr?h ?ten?h ?l?n ?e?e?rnh ?eee?rr? ?eren ?n.e.nn?nn?n ?n ?et ?nrh?1 ?1 ?et ?nrh22灄an ?1ut?u尌 ?uan?a0? (

13、?t? ?灄?u) unt?a ? ar灄a rtu?灄 ?uan?a0? (?mt? ?灄?u ) unt?a ?灄a灄m灄au0 ?uan?a0? ( ?mt? ria?) unt?a ? taur灄 ?1u?灄 r?a0? ( ?t? ria?) unt?a .ntnenag?e?.ntngnee?nn?nnane ?renn?n.e.23?ete? e0enrh ?et0e,n1n ?nn? ?egr?e?0?, ? ?ener?i.?, ?eer?24?et ?r?. ?n?t?, ?t?eeg?r?e ?ee? ?r ?en ?nn?n?et ?r?. ?n.e. ?t?eeg?r

14、?e ?er1? ?r ?en ?nn?n?et ?nr? ?n?t?, ?t?eeg?r?e ?e.1n ?r ?en ?nn?n?et ?nr? ?n.e. ?t?eeg?r?e ?r? ?r ?en ?nn?n25?t?,?nr? ?n.e.?er?nr? ?t?,?n.e.26?r?.?nrr? ?nern?g - n?et1e ?etenern? ?e?r? ?t?nre? ( ?e.eh n?n?t?, ?n?rn? ) ? ?.?nrr? ?ete? ?n.e. ?eg?r?e r1e?ng.a? ?nrh rnn ? ?t?, ?eger?e ?nenaarah1e1. ?ne

15、rn? ? ?.?nrr? ?e?r?. ?n.e. ?ger?e ?el?. ?ne?n?r?nh ?rh rnn ? ?enr? ?n.e. ?ne.atare?nh ?nern? rnn ? ?.?nrr? ?ete? ?e?r?. ?t?, ?e?eger?e ?nenaahen ?nern? ? ?enr? ?t?, ?ger?e ?ne?enhenh ?1?a. ?nern? rnn . . . e? ?rn?n n?ratnnnn ?n?nh ? ?n ?etran?rn? ?te.nt ?eg?. nt?rah ?r?ae . r1eang.a? ?nrh?nenaarah1e1. ?nern? ?el?. ?r?nh ?nrh?ne.atare?nh ?nern? ?nenaahen ?nern? ?ne?enhenh ?1?a. ?n