第一篇:初中一年級負(fù)數(shù)加減法習(xí)題
初中一年級負(fù)數(shù)加減法習(xí)題
一計算題:
(1)23+(-73)=(2)(-84)+(-49)=(3)7+(-2.04)=(4)4.23+(-7.57)=
(5)(-7/3)+(-7/6)=(6)9/4+(-3/2)=(7)3.75+(2.25)+5/4=
(8)-3.75+(+5/4)+(-1.5)=
(二)用簡便方法計算:
(1)(-17/4)+(-10/3)+(+13/3)+(11/3)
(2)(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
(三)已知:X=+17(3/4),Y=-9(5/11),Z=-2.25, 求:(-X)+(-Y)+Z的值
(二)填空題:
(1)零減去a的相反數(shù),其結(jié)果是_____________;
(2)若a-b>a,則b是_____________數(shù);(3)從-3.14中減去-π,其差應(yīng)為____________;
(4)被減數(shù)是-12(4/5),差是4.2,則減數(shù)應(yīng)是_____________;
(5)若b-a<-,則a,b的關(guān)系是___________,若a-b<0,則a,b的關(guān)系是______________;
(6)(+22/3)-()=-7
(三)判斷題:
(1)一個數(shù)減去一個負(fù)數(shù),差比被減數(shù)小.()
(2)一個數(shù)減去一個正數(shù),差比被減數(shù)小.()
(3)0減去任何數(shù),所得的差總等于這個數(shù)的相反數(shù).()
(4)若X+(-Y)=Z,則X=Y+Z(5)若a<0,b|b|,則a-b>0()
第二篇:初中一年級綜合習(xí)題
there be 句型用法及配套練習(xí)
一:there be 句型基本認(rèn)識
1、定義:There be句型表示某處存在某物或某人。
2、結(jié)構(gòu):(1)There is +單數(shù)可數(shù)名詞/不可數(shù)名詞+ 地點狀語.(2)There are +復(fù)數(shù)名詞+地點狀語.注意事項: there是引導(dǎo)詞,在句中不充當(dāng)任何成分,翻譯時也不必譯出。句子的主語是某人或某物,謂語動詞be要與主語(某人或某物)的數(shù)保持一致。當(dāng)主語是兩個或兩個以上的名詞時,謂語動詞要與跟它最近的那個名詞一致。如:
① There is a bird in the tree.樹上有一只鳥。
② There is a teacher and many students in our classroom.我們教室里有一位老師和許多學(xué)生。③ There are two boys and a girl under the tree.樹下有兩個男孩,一個女孩。二: there be 句型的??键c 考點一:各種句型轉(zhuǎn)化。
1:變成否定
There be句型的否定式的構(gòu)成和含有be動詞的其它句型一樣,在be后加上not。例如:
There are some pictures on the wall.→There aren't any pictures on the wall.There is a bike behind the tree.→ There isn't a bike behind the tree.2:變成一般疑問句
There be句型的一般疑問句變化是把be動詞調(diào)整到句首,再在句尾加上問號即可。但同時要注意:當(dāng)肯定句中有some時,要將其改為any(否定變化也一樣)。
There is some water on Mars.→ Is there any water on Mars?
There are some fish in the water.→Are there any fish in the water?
3:特殊疑問句
對主語提問:當(dāng)主語是人的時候,則用who 引導(dǎo),當(dāng)主語是物的時候,則用what 引導(dǎo)。注意:無論原句的主語是單數(shù)還是復(fù)數(shù),對之提問時一般都用be的單數(shù)形式(回答時卻要根據(jù)實際情況來決定)。如:
There are many things over there.→What's over there?
There is a little girl in the room.→Who is in the room? 對地點狀語提問:則用where 引導(dǎo)。如:
There is a computer on the desk.→ Where is the computer?
There are four children on the playground.→Where are the four children? 對數(shù)量提問:般有兩種句型結(jié)構(gòu):
How many+復(fù)數(shù)名詞+are there+介詞短語?
How much+不可數(shù)名詞+is there+介詞短語?
考點二:there be 句型的主謂一致:
There be 結(jié)構(gòu)中的be動詞要和后面所跟名詞保持一致,遵循就近原則。如: 1.There ___ any rice in the bowl.A.are B.is C.isn’t D.aren’t
2.There ___ many apples on the tree.A.have been B.were C.are D.is 注意事項:there be 句型與have句型的區(qū)別
(1)There be 句型和have都表示“有”的含義。區(qū)別如下:There be表示“某處存在某物或某人”;have表示“某人擁有某物/某人”,它表示所有、擁有關(guān)系。如:
He has two sons.他有兩個兒子。
There are two men in the office.辦公室里有兩個男人。
(2)當(dāng)have表示“包括”、“存在”的含義時,There be 句型與其可互換。如:
A week has seven days.=There are seven days in a week.一個星期有七天。
世杰吉的堡2013年寒假輔課試卷A
一.Words.寫出下列單詞(20’)
因為________ 課程表________ 紙盒________ 英語________ 錢包 ______
忘記 ________ 冰箱_________ 巧克力_______ 項鏈________ 涼鞋________ 二.Individual choice 單項選擇(20’)()1.I_____in Class 5.Ben_____in Class 5, too.We______ classmates.A.is, am, are B.am, is, are C.are, is, am
()2.There’s______ apple tree in my garden.In_____tree, there’s ______small house for the birds.A.an, the, a B.an, a, the C.a, the, a()3.--______ that woman, Helen?
— She’s Miss Li.--______ is that dress? Is it hers?
A.Who, Whose B.Whose, Who’s C.Who’s, Whose()4.I usually go to school______seven ______ the morning.A.at, on B.at, in C.about, on
()5.I ______ a big garden behind my house._____ many flowers in it.A.have, There are B.there are, Have C.has, There is()6.There isn’t ______ milk in the cup.Would you like_____ juice?
A.some, any B.any, some C.any, any()7.There___ not ____ milk in the cup on the table.A.are, many B.are , much C.is ,many D.is ,much()8.How many ___ are there in the room ? A.apple B.students C.milk D.paper()9.What can you_____in the picture? I_____at it, but I can’t _____any thing.A.look, look, look for B.see, see, look for C.see, look, find()10.Look, there’s______ apple tree._______ tree is very tall.You can see______ cat under it.A.an, A, the B.an, The, a C.a, The, a 三.Rewrite sentences.句型轉(zhuǎn)換。(15’)1.There is an apple.(復(fù)數(shù)句型)_______________________________________ 2.There are ten books in the bag.(劃線部分提問)A B C A ______ _______ books are there? B ______ _______ in the bag? C ______ _______ the books? 3.I like computers.(同義句)I _____ ______ _______ computers.4.He has some mugs.(否定句)He____ _____ ______ mugs.5.Matt can fly a kite.(一般疑問句)____ _____ fly a kite? 四.Fill in the blanks.完形填空(20’)Go To The Park On Sundays we often go to the ___1____ near our school.There are many____2_____ in it.There are many tigers, elephants, pandas and monkeys.The ____3_____are very big.They all have ____4_____noses.Their noses can ___5_____ them eat and drink.Tigers are very____6_____.They are the king of animals.They don’t like to ____7_____in the zoo.Many people like ____8_____.They are animals of China.But I like monkeys most(最).We like __9_____ to the zoo.We can____10_____ more(更多)about animals there.()1.A.park B.school C.zoo D.the shop()2.A.people B.children C.animals D.things()3.A.elephants B.tigers C.pandas D.monkeys()4.A.long B.short C.free D.small()5.A.give B.help C.make D.get()6.A.strong B.hungry C.happy D.careful(小心)()7.A.eat B.play C.walk D.live()8.A.elephants B.pandas C.tigers D.monkeys()9.A.go B.going C.are going D.goes()10.A.see B.play C.get D.know
五.Look and write.看圖回答問題。(25’)
1.Who are they? _______________________________ 2.Where are they? _______________________________ 3.How many girls and boys are there in the classroom? ________________________________ 4.What do they say? ________________________________ 5.Do you like your English teacher at Kid Castle? _________________________________
第三篇:一年級數(shù)學(xué)試題:100以內(nèi)加減法習(xí)題(四)
一年級數(shù)學(xué)試題:100以內(nèi)加減法習(xí)題
(四)?8-8=
81-9=
26+48=
7-3=
29-7=
37-10=
29-14=
80+19=
82-12=
80-43= 27+37=
47+36=
50-27=
56-26=
51+25=
78-8=98-2=
49-21=
96-9=
34+41=
49-43=
48-25= 40+42=
70-44=
4+70=
26+35=
93-40=
87+10=
31+67=
73-10=
78+14=
83-54=
答案見下頁 8-8=0
81-9=72
26+48=74 7-3=4
29-7=22
37-10=27
29-14=15
80+19=99
82-12=70
80-43=37
27+37=64 47+36=83
50-27=23
56-26=30
51+25=76
78-8=7098-2=96
49-21=28
96-9=87
34+41=75
49-43=6
48-25=23
40+42=82 70-44=26
4+70=74
26+35=61
93-40=53
87+10=97
31+67=98
73-10=63
78+14=92
83-54=29
你都答對了嗎?
第四篇:加減法習(xí)題
第二單元練習(xí)
姓名:
一、填一填
1、筆算加減法,要把()對齊,從()算起。2、24與35的和是(),差是()。
3、一個數(shù)加35得70,這個數(shù)是()。
4、26加一個數(shù)得32,這個數(shù)是()。
5、一個數(shù)減24得29,這個數(shù)是()。
6、51減一個數(shù)得33,這個數(shù)是()。
二、括號里最大能填幾
65-16>()47+16>()()<21+30()<71-15
三、解決問題
1、養(yǎng)雞場有公雞19只,比母雞少38個,養(yǎng)雞場一共有多少只雞?
2、養(yǎng)雞場有母雞59只,比公雞多37只,養(yǎng)雞場一共有多少只雞?
3、一個書包48元,比筆袋貴35元,買一個書包和一個筆袋一共需要多少元?
4、一套拼圖23元,比一個玩具熊便宜17元,買一套拼圖和一個玩具熊一共需要多少元?
第五篇:《有理數(shù)的加減法》習(xí)題2
《有理數(shù)加減法》同步練習(xí)
1.某天上午的溫度是5℃,中午又上升了3℃,下午由于冷空氣南下,到夜間又下降了9℃,則這天夜間的溫度是 ℃。2.直接寫出答案(1)(-2.8)+(+1.9)=,1(2)0.75?(?34)=,(3)0?(?12.19)?
,(4)?3?(?2)?
523.已知兩個數(shù)56和?83,這兩個數(shù)的相反數(shù)的和是。
4.將6???3????7????2?中的減法改成加法并寫成省略加號的代數(shù)和的形式應(yīng)是。
/ 7
5.已知m是6的相反數(shù),n比m的相反數(shù)小2,則m?n等于。
6.在-13與23之間插入三個數(shù),使這5個數(shù)中每相鄰兩個數(shù)之間的距離相等,則這三個數(shù)的和是
.二.選擇:
7.下列交換加數(shù)的位置的變形中,正確的是()
A、1?4?5?4?1?4?4?5
13111311B、?3?4?6?4?4?4?3?6
C、1?2?3?4?2?1?4?
3D、4.5?1.7?2.5?1.8?4.5?2.5?1.8?1.7 8.下列計算結(jié)果中等于3的是()A.?7??4 B.??7????4?
C.?7??4 D.??7????4?
/ 7
9.下列說法正確的是()A.兩個數(shù)之差一定小于被減數(shù)
B.減去一個負(fù)數(shù),差一定大于被減數(shù) C.減去一個正數(shù),差一定大于被減數(shù) D.0減去任何數(shù),差都是負(fù)數(shù)
10.校、家、書店依次坐落在一條南北走向的大街上,學(xué)校在家的南邊20米,書店在家北邊100米,張明同學(xué)從家里出發(fā),向北走了50米,接著又向北走了-70米,此時張明的位置在
A.在家 B.在學(xué)校 C.在書店 D.不在上述地方
11、火車票上的車次號有兩個意義,一是數(shù)字越小表示車速越快,1~98次為特快列車,101~198次為直快列車,301~398次為普快列車,401~498次為普客列車;二是單數(shù)與雙數(shù)表示不同的行駛方向,其中單數(shù)表示從北京開出,雙數(shù)表示開往北京,根據(jù)以上規(guī)定,杭州開往北京的某一直快列車
/ 7
的車次號可能是()(A)20(B)119(C)120(D)319 12.計算:
71①-5+(+10)
②90-(-3)
1③-0.5-(-31)+2.75-(+7)24?7??1??2??1??4????3????2????6? ④??9??6??9??6?4??1??3???8????7.5????21????3? ⑤ ?7??2??7???2??3??2??3????2????1????1.75? ⑥ ??3??4??3?13.某檢修小組乘汽車沿公路檢修線路,約定前進為正,后退為負(fù),某天自O(shè)地出發(fā)到收工時所走路線(單位:千米)為:+
10、-
3、+
4、+
2、-
8、+
13、-
2、+
12、+
8、+5
/ 7
(1)問收工時距O地多遠?
(2)若每千米耗油0.2升,從O地出發(fā)到收工時共耗油多少升?
14、某商場老板對今年上半年每月的利潤作了如下記錄:1、2、5、6月盈利分別是13萬元、12萬元、12.5萬元、10萬元,3、4月虧損分別是0.7萬元和0.8萬元。試用正、負(fù)數(shù)表示各月的利潤,并算出該商場上半年的總利潤額。
/ 7
參考答案
1:-1 2:-0.9, 4, 12.19, 5 3:17/6 4:6-3+7-2 5:-10 6:15 7:D 8:B 9:B 10:B 11:C 12:-1.3;93;-2;-10;-34;-1 13:解:10-3+4+2-8+13-2+12+8+5=41 把各數(shù)的絕對值相加=10+3+4+2+8+13+2+12+8+5=67 67×0.2=13.4(升)14: +13,+12,-0.7,-0.8,+12.5,+10
/ 7
+13+12-0.7-0.8+12.5+10=46(萬元)
/ 7