Unit 4 Fun with numbers重点知识总结 & 易错考点（专项训练）-2026-2027学年外研版（三起）英语三年级上册

**基本信息** 聚焦外研版三上Unit 4数字主题，以“核心知识系统梳理+10大易错考点分级突破”构建训练体系，融合语言能力与思维品质培养。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |核心知识梳理|单词16个/短语9个/句型10句/语法10项|构建“词汇-短语-句型-语法”四维框架，提炼基数词认读书写、How many句型等核心规则|从基础词汇积累到语法规则应用，形成“概念理解-固定搭配-情境表达”递进链条| |10大易错考点训练|每考点9题（基础3+提升3+拓展3）|针对基数词顺序/复数变化/情态动词can等考点，总结“规则记忆+语境辨析”解题技巧|以考点为单元，通过基础题巩固概念、提升题强化应用、拓展题实现综合迁移，覆盖单元高频易错点|

最新外研版（三起）三年级上册 Unit 4 Fun with numbers 重点知识总结 & 易错考点专项训练 ★ 单元核心梳理 ★ 单元核心梳理 ★ 重点单词（认读与书写） one 一 · two 二 · three 三 · four 四 five 五 · six 六 · seven 七 · eight 八 nine 九 · ten 十 · eleven 十一 · twelve 十二 number 数字 · count 数 · bird 鸟 · rope 绳 how many 多少 · beautiful 美丽的 · hungry 饥饿的 · amazing 令人惊叹的 ★ 重点短语（固定搭配） ◇ how many（多少） ◇ count with me（和我一起数） ◇ a Chinese knot（中国结） ◇ How many … can you see?（你能看见多少……？） ◇ That's amazing!（太神奇了！） ◇ That's great!（太棒了！） ◇ Let me show you.（让我展示给你看） ◇ Numbers are all around.（数字无处不在） ◇ only one（只有一个） ◇ make a Chinese knot（编一个中国结） ★ 重点句型（核心表达） Count, count, count with me! → 和我一起数！ How many birds can you see? → 你能看见多少只鸟？ I can see … → 我能看见…… Who can make a Chinese knot? → 谁能编一个中国结？ What is it? — This is a Chinese knot. → 这是什么？— 这是一个中国结。 That's amazing! → 太神奇了！ How many eggs? — Only one. → 多少个蛋？— 只有一个。 Numbers are all around. → 数字无处不在。 Let me show you. → 让我展示给你看。 Cheep, cheep! How many babies? → 叽叽！多少只小鸟宝宝？ ★ 重点语法（10大核心） ① 基数词 one~twelve 的认读与书写 ② How many + 可数名词复数 询问数量 ③ 情态动词 can + 动词原形 表能力 ④ Who 引导的特殊疑问句 ⑤ What is it? — It's / This is … 问答 ⑥ 形容词作表语/定语：beautiful / hungry / amazing / little / big ⑦ 感叹句 That's amazing / great! ⑧ 祈使句 Let me … / Count with me. ⑨ 可数名词复数变化（bird→birds, egg→eggs, baby→babies） ⑩ 数字在生活中的运用：Numbers are all around. ★ 10大重点易错考点 · 专项训练 ★ 10大重点易错考点 · 专项训练 考点1：考点一：基数词 one~twelve 的认读与书写 ◇ 基础题（选择题） ◇（ ）1. — What comes after six? — ____. A. A. five B. B. seven C. C. eight ◇（ ）2. — What number is between nine and eleven? — ____. A. A. eight B. B. ten C. C. twelve ◇（ ）3. — How many birds? — ____. A. A. One B. B. First C. C. Ones ▷ 提升题（选择题） ▷（ ）1. — What comes before twelve? — ____. A. A. ten B. B. eleven C. C. nine ▷（ ）2. — What is three and four? — It is ____. A. A. seven B. B. eight C. C. six ▷（ ）3. — Count from one to five: one, two, ____, four, five. A. A. three B. B. six C. C. two ★ 拓展题（选择题） ★（ ）1. — What number is after ____? — ten. A. A. nine B. B. eleven C. C. eight ★（ ）2. — Which is the correct spelling? 7 — ____. A. A. seven B. B. ceven C. C. severn ★（ ）3. — What is two × three? — It is ____. A. A. five B. B. six C. C. eight 考点2：考点二：How many + 可数名词复数 询问数量 ◇ 基础题（选择题） ◇（ ）1. — ____ birds can you see? — I can see five. A. A. How B. B. How many C. C. What ◇（ ）2. — How many ____ are there? — There are twelve. A. A. bird B. B. birds C. C. birdes ◇（ ）3. — How many eggs? — ____. A. A. Only one B. B. Only ones C. C. Only a ▷ 提升题（选择题） ▷（ ）1. — ____ ropes do you have? — I have two. A. A. How B. B. How many C. C. What ▷（ ）2. — How many babies ____ there? — There are three. A. A. is B. B. are C. C. am ▷（ ）3. — How many Chinese knots can you make? — I can make ____. A. A. only one B. B. only ones C. C. one onlys ★ 拓展题（选择题） ★（ ）1. — How many ____ (baby) can you see? 正确复数： A. A. babys B. B. babies C. C. babyes ★（ ）2. — How many birds are there in Qingdao? — There are ____. A. A. twelves B. B. twelve C. C. twelf ★（ ）3. — How many + 名词____ 形式，名词必须用____。 A. A. 复数; 复数 B. B. 单数; 单数 C. C. 复数; 单数 考点3：考点三：情态动词 can + 动词原形 表能力 ◇ 基础题（选择题） ◇（ ）1. — Can you count? — Yes, I ____. A. A. can B. B. am C. C. do ◇（ ）2. — Can Jam make a Chinese knot? — No, he ____. A. A. can't B. B. isn't C. C. doesn't ◇（ ）3. — What can you do? — I ____ count to twelve. A. A. can B. B. am C. C. do ▷ 提升题（选择题） ▷（ ）1. — Can Olivia see the little birds? — Yes, she ____. A. A. can B. B. is C. C. does ▷（ ）2. — Can they count the eggs in the nest? — No, they ____. A. A. can't B. B. don't C. C. aren't ▷（ ）3. — Who can make a beautiful knot? — Chen Wei ____. A. A. can B. B. is C. C. does ★ 拓展题（选择题） ★（ ）1. — Can you count from one to ten? — ____. A. A. Yes, I can B. B. Yes, I am C. C. Yes, I do ★（ ）2. After 'can / can't', the verb must be in ____ form. A. A. 动词原形 B. B. 第三人称单数 C. C. 过去式 ★（ ）3. — Can Lily and Zhang Hao count together? — Yes, ____ can. A. A. they B. B. she C. C. he 考点4：考点四：Who 引导的特殊疑问句 ◇ 基础题（选择题） ◇（ ）1. — ____ can make a Chinese knot? — Lily can. A. A. What B. B. Who C. C. How ◇（ ）2. — Who is hungry? — ____ is hungry. A. A. The bird B. B. The birds C. C. Birds ◇（ ）3. — ____ can count to twelve? — Zhou Kai can. A. A. What B. B. How C. C. Who ▷ 提升题（选择题） ▷（ ）1. — Who can see the amazing birds? — ____ can. A. A. Olivia B. B. Olivia and Jam C. C. Both A and B ▷（ ）2. — Who makes the beautiful knot? — Bella ____. A. A. is B. B. can C. C. does ▷（ ）3. — ____ is that little baby? — It is a bird. A. A. Who B. B. What C. C. How ★ 拓展题（选择题） ★（ ）1. — Who can show you how to count? — ____. A. A. Teacher can B. B. The teacher can C. C. Teacher is ★（ ）2. Who 问句对人提问，回答时主语用____。 A. A. 人名/人称代词 B. B. 事物名词 C. C. 数词 ★（ ）3. — Who ____ (be) hungry? — The little birds are. A. A. is B. B. are C. C. am 考点5：考点五：What is it? — It's / This is … 问答 ◇ 基础题（选择题） ◇（ ）1. — What is it? — ____ a Chinese knot. A. A. It's B. B. This is C. C. Both A and B ◇（ ）2. — What is it? — It is ____ egg. A. A. a B. B. an C. C. the ◇（ ）3. — What is it? — This is ____ beautiful knot. A. A. a B. B. an C. C. the ▷ 提升题（选择题） ▷（ ）1. — What is it in Kunming? — ____ a big flower. A. A. It's B. B. They're C. C. These are ▷（ ）2. — What is it? — It is ____ amazing rope. A. A. a B. B. an C. C. the ▷（ ）3. — What are they? — ____ little birds. A. A. It is B. B. They are C. C. This is ★ 拓展题（选择题） ★（ ）1. — What is it? — ____. 选择正确回答。 A. A. It's a bird. B. B. They are birds. C. C. This are a bird. ★（ ）2. It's = ____ + ____. A. A. It is B. B. It are C. C. Is it ★（ ）3. — What ____ (be) it? — It is a baby bird. A. A. am B. B. is C. C. are 考点6：考点六：形容词 beautiful / hungry / amazing / little / big ◇ 基础题（选择题） ◇（ ）1. The Chinese knot is ____. It looks nice. A. A. beautiful B. B. beautifully C. C. beauty ◇（ ）2. The little birds are ____. They want food. A. A. hungry B. B. hungrily C. C. hunger ◇（ ）3. — Look at the big egg! — ____! A. A. That's amazing B. B. That's amazingly C. C. That amazing ▷ 提升题（选择题） ▷（ ）1. The baby bird is ____. It cannot fly yet. A. A. little B. B. littly C. C. less ▷（ ）2. — Count the birds! — That's ____! A. A. amazing B. B. amazed C. C. amaze ▷（ ）3. The ____ (beauty) Chinese knot is for you. A. A. beautiful B. B. beautifully C. C. beauty ★ 拓展题（选择题） ★（ ）1. 形容词放在 ____ 后面或名词____ 作表语/定语。 A. A. be动词; 前面 B. B. 名词; 后面 C. C. 动词; 中间 ★（ ）2. — How is the little baby? — It is ____. A. A. amazingly B. B. amazing C. C. amaze ★（ ）3. Which is WRONG? ____ A. A. a beautiful knot B. B. an hungry bird C. C. a big egg 考点7：考点七：感叹句 That's amazing! / That's great! ◇ 基础题（选择题） ◇（ ）1. — I can count to twelve! — ____! A. A. That's amazing B. B. That amazing C. C. That's amaze ◇（ ）2. — We made a Chinese knot! — ____! A. A. That's great B. B. That great C. C. That's greatly ◇（ ）3. — Look at the ten little birds! — ____! A. A. That's amazing B. B. That's amaze C. C. That amazingly ▷ 提升题（选择题） ▷（ ）1. — Olivia can count to twelve in Jinan! — ____! A. A. That's amazing B. B. That's amazingly C. C. That amazing ▷（ ）2. — We see eleven birds! — ____! A. A. That's great B. B. That great C. C. That's greatly ▷（ ）3. — Jam made a beautiful knot! — ____! A. A. That's amazing B. B. That amazing C. C. That's amazes ★ 拓展题（选择题） ★（ ）1. 'That's amazing!' = '____ is amazing!' A. A. That B. B. This C. C. It ★（ ）2. 感叹句 'That's + adj.' 中 That's = ____. A. A. That is B. B. That are C. C. This is ★（ ）3. Which is the correct exclamation? ____ A. A. That's amazing! B. B. That amazing! C. C. Is that amazing! 考点8：考点八：祈使句 Let me … / Count with me. ◇ 基础题（选择题） ◇（ ）1. — Let ____ show you. — Thank you! A. A. me B. B. I C. C. my ◇（ ）2. — Count ____ me! — OK! A. A. with B. B. and C. C. or ◇（ ）3. — Let's count ____. — Great! A. A. together B. B. with C. C. and ▷ 提升题（选择题） ▷（ ）1. — Let me ____ you the Chinese knot. — Wow! A. A. show B. B. shows C. C. to show ▷（ ）2. — Let ____ make a knot together. — OK! A. A. us B. B. we C. C. our ▷（ ）3. 祈使句 'Let me …' 中 let 后接____。 A. A. 动词原形 B. B. 动词三单 C. C. 动词过去式 ★ 拓展题（选择题） ★（ ）1. — Let's ____ (count) together! 正确形式： A. A. count B. B. counts C. C. counting ★（ ）2. 'Let me show you.' = '____ I show you.' A. A. Let B. B. Make C. C. Have ★（ ）3. 祈使句 'Count with me' 是____ 句型。 A. A. 祈使句 B. B. 疑问句 C. C. 感叹句 考点9：考点九：可数名词复数变化 ◇ 基础题（选择题） ◇（ ）1. — How many birds? — I see three ____. A. A. bird B. B. birds C. C. birdes ◇（ ）2. — How many eggs? — Five ____. A. A. egg B. B. egges C. C. eggs ◇（ ）3. — How many babies? — Only two ____. A. A. baby B. B. babys C. C. babies ▷ 提升题（选择题） ▷（ ）1. — What can you see in Wuhan? — Many ____. A. A. bird B. B. birds C. C. birdes ▷（ ）2. — Look at the little ____ (baby) birds! 正确复数： A. A. babys B. B. babies C. C. babyes ▷（ ）3. — How many Chinese knots? — Twelve ____. A. A. knot B. B. knots C. C. knotes ★ 拓展题（选择题） ★（ ）1. 名词复数规则：一般加____；以辅音+y结尾变y为i加____。 A. A. -s; -es B. B. -es; -s C. C. -s; -s ★（ ）2. — How many ____ (egg) are there? — There are eight. A. A. egg B. B. eggs C. C. egges ★（ ）3. Which plural is WRONG? ____ A. A. birds B. B. babys C. C. eggs 考点10：考点十：数字在生活中的运用 & 综合 ◇ 基础题（选择题） ◇（ ）1. — Numbers are all around. 此句含义：____ A. A. 数字无处不在。 B. B. 数字在周围转。 C. C. 数字都走了。 ◇（ ）2. — How many students? — There are ____ (12) students. A. A. twelve B. B. twelf C. C. twelves ◇（ ）3. — I have five ropes. You have seven. How many in all? — ____. A. A. ten B. B. eleven C. C. twelve ▷ 提升题（选择题） ▷（ ）1. — Count the eggs in Xiamen: one, two, …, ____ (11). A. A. eleven B. B. twelve C. C. ten ▷（ ）2. — In Qingdao, there are ____ (8) amazing birds. A. A. eight B. B. eigh C. C. eights ▷（ ）3. — Numbers help us ____. 选择最合理： A. A. count things B. B. sing songs C. C. draw pictures ★ 拓展题（选择题） ★（ ）1. — What number comes after 'eleven'? — ____. A. A. twelve B. B. ten C. C. nine ★（ ）2. 综合：____ (7) birds + ____ (5) eggs = twelve things. A. A. Seven; five B. B. Six; six C. C. Eight; four ★（ ）3. 'Numbers are all around' means numbers are in ____. A. A. our daily life B. B. the sky only C. C. the school only ★ 参考答案与详细解析 ★ 参考答案与详细解析 考点1：考点一：基数词 one~twelve 的认读与书写 ▸ 基础题 1. What comes after six? 答案：B 解析：六之后是七，seven。five是五，eight是八。 2. What number is between nine and eleven? 答案：B 解析：九和十一之间是十，ten。 3. How many birds? 回答数量。 答案：A 解析：回答数量用基数词One。First是序数词'第一'，Ones错误。 ▸ 提升题 1. What comes before twelve? 答案：B 解析：十二之前是十一，eleven。 2. What is three and four? 答案：A 解析：三加四等于七，seven。 3. Count from one to five 缺第三项。 答案：A 解析：一二三(three)四五，缺three。 ▸ 拓展题 1. What number is after nine? — ten. 答案：A 解析：九之后是十，nine之后是ten。 2. Which is the correct spelling? 7 答案：A 解析：七的正确拼写是seven。 3. What is two × three? 答案：B 解析：二乘三等于六，six。 考点2：考点二：How many + 可数名词复数 询问数量 ▸ 基础题 1. How many birds can you see? 答案：B 解析：询问可数名词数量用How many。 2. How many birds are there? 答案：B 解析：bird的复数是birds，How many后接复数。 3. How many eggs? 回答数量。 答案：A 解析：回答数量用Only one。ones和a均错误。 ▸ 提升题 1. How many ropes do you have? 答案：B 解析：询问可数名词数量用How many。 2. How many babies are there? 答案：B 解析：babies是复数，be动词用are。 3. How many Chinese knots can you make? 答案：A 解析：回答数量用only one。 ▸ 拓展题 1. How many baby 正确复数。 答案：B 解析：辅音+y结尾变y为i加es，baby→babies。 2. How many birds in Qingdao? 答案：B 解析：twelve是正确拼写，无twelves形式。 3. How many + 名词什么形式。 答案：A 解析：How many后必须接可数名词复数形式。 考点3：考点三：情态动词 can + 动词原形 表能力 ▸ 基础题 1. Can you count? Yes, I ____. 答案：A 解析：Can问can答，肯定回答Yes, I can。 2. Can Jam make a Chinese knot? No, he ____. 答案：A 解析：Can问can答，否定回答No, he can't。 3. What can you do? I ____ count. 答案：A 解析：can后接动词原形count。 ▸ 提升题 1. Can Olivia see the little birds? Yes, she ____. 答案：A 解析：Can问can答，肯定回答Yes, she can。 2. Can they count the eggs? No, they ____. 答案：A 解析：Can问can答，否定回答No, they can't。 3. Who can make a beautiful knot? Chen Wei ____. 答案：A 解析：回答用can，Chen Wei can。 ▸ 拓展题 1. Can you count from one to ten? 答案：A 解析：Can问can答，Yes, I can。 2. After 'can/can't', the verb must be in ____ form. 答案：A 解析：情态动词后接动词原形。 3. Can Lily and Zhang Hao count together? Yes, ____ can. 答案：A 解析：Lily and Zhang Hao是复数，用they代替。 考点4：考点四：Who 引导的特殊疑问句 ▸ 基础题 1. Who can make a Chinese knot? Lily can. 答案：B 解析：对人提问用Who。 2. Who is hungry? The bird is hungry. 答案：A 解析：回答用单数The bird。 3. Who can count to twelve? Zhou Kai can. 答案：C 解析：对人提问用Who。 ▸ 提升题 1. Who can see the amazing birds? 均可。 答案：C 解析：Olivia和Jam都能看见，选Both。 2. Who makes the beautiful knot? Bella ____. 答案：B 解析：谁能编结，Bella能，用can。 3. Who is that little baby? It is a bird. 答案：B 解析：问'是什么'用What，不是Who。 ▸ 拓展题 1. Who can show you how to count? 答案：B 解析：主语需完整，The teacher can。 2. Who问句回答时主语用____。 答案：A 解析：Who问人，回答用人名或人称代词。 3. Who ____ (be) hungry? The little birds are. 答案：B 解析：birds是复数，be动词用are。 考点5：考点五：What is it? — It's / This is … 问答 ▸ 基础题 1. What is it? 回答。 答案：C 解析：It's和This is均可回答'这是什么'。 2. What is it? It is ____ egg. 答案：B 解析：egg以元音开头，用an。 3. What is it? This is ____ beautiful knot. 答案：A 解析：beautiful以辅音开头，用a。 ▸ 提升题 1. What is it in Kunming? 单数回答。 答案：A 解析：It's a big flower。They're是复数。 2. What is it? It is ____ amazing rope. 答案：A 解析：amazing以元音开头，用an。 3. What are they? ____ little birds. 答案：B 解析：they对应They are。 ▸ 拓展题 1. What is it? 选择正确回答。 答案：A 解析：It's a bird正确。They're是复数。 2. It's = ____ + ____. 答案：A 解析：It's是It is的缩写。 3. What ____ (be) it? It is a baby bird. 答案：B 解析：it是单数，be动词用is。 考点6：考点六：形容词 beautiful / hungry / amazing / little / big ▸ 基础题 1. The Chinese knot is ____. 答案：A 解析：系动词is后接形容词beautiful作表语。 2. The little birds are ____. 答案：A 解析：系动词are后接形容词hungry作表语。 3. Look at the big egg! 感叹。 答案：A 解析：That's amazing是正确感叹句。 ▸ 提升题 1. The baby bird is ____. 答案：A 解析：little是形容词'小的'，作表语。 2. Count the birds! That's ____! 答案：A 解析：amazing是形容词'令人惊叹的'。 3. The ____ Chinese knot is for you. 答案：A 解析：修饰名词用形容词beautiful。 ▸ 拓展题 1. 形容词放在____后面或名词____。 答案：A 解析：形容词放be动词后作表语，放名词前作定语。 2. How is the little baby? It is ____. 答案：B 解析：形容小鸟用amazing（令人惊叹的）。 3. Which is WRONG? 答案：B 解析：hungry以辅音开头，应用a hungry bird。 考点7：考点七：感叹句 That's amazing! / That's great! ▸ 基础题 1. I can count to twelve! 回应。 答案：A 解析：That's amazing是正确感叹句。 2. We made a Chinese knot! 回应。 答案：A 解析：That's great是正确感叹句。 3. Look at the ten little birds! 回应。 答案：A 解析：That's amazing正确。 ▸ 提升题 1. Olivia can count to twelve in Jinan! 答案：A 解析：That's amazing正确感叹句。 2. We see eleven birds! 回应。 答案：A 解析：That's great正确。 3. Jam made a beautiful knot! 答案：A 解析：That's amazing正确。 ▸ 拓展题 1. 'That's amazing!' = '____ is amazing!' 答案：A 解析：That's = That is，That作主语。 2. That's = ____. 答案：A 解析：That's是That is的缩写。 3. Which is the correct exclamation? 答案：A 解析：That's amazing!是正确感叹句。 考点8：考点八：祈使句 Let me … / Count with me. ▸ 基础题 1. Let ____ show you. 答案：A 解析：Let后接宾格me。 2. Count ____ me! 答案：A 解析：和某人一起用with，count with me。 3. Let's count ____. 答案：A 解析：一起用together。 ▸ 提升题 1. Let me ____ you the Chinese knot. 答案：A 解析：Let后接动词原形show。 2. Let ____ make a knot together. 答案：A 解析：Let后接宾格us（Let us = Let's）。 3. 祈使句Let me后接____。 答案：A 解析：Let后接动词原形。 ▸ 拓展题 1. Let's ____ (count) together! 正确形式。 答案：A 解析：Let's后接动词原形count。 2. Let me show you. = ____ I show you. 答案：A 解析：Let me意为'让我'。 3. Count with me是____句型。 答案：A 解析：是祈使句（表请求/命令/建议）。 考点9：考点九：可数名词复数变化 ▸ 基础题 1. How many birds? three ____. 答案：B 解析：bird复数加s→birds。 2. How many eggs? Five ____. 答案：C 解析：egg复数加s→eggs（不是egges）。 3. How many babies? two ____. 答案：C 解析：辅音+y结尾变y为i加es→babies。 ▸ 提升题 1. Many ____ in Wuhan. 答案：B 解析：bird复数加s→birds。 2. little ____ birds 正确复数。 答案：B 解析：baby→babies。 3. How many Chinese knots? Twelve ____. 答案：B 解析：knot复数加s→knots。 ▸ 拓展题 1. 名词复数规则：一般加____；辅音+y变i加____。 答案：A 解析：一般加-s；辅音+y变i加-es。 2. How many ____ (egg) are there? 答案：B 解析：egg复数加s→eggs。 3. Which plural is WRONG? 答案：B 解析：baby复数应为babies，babys错误。 考点10：考点十：数字在生活中的运用 & 综合 ▸ 基础题 1. Numbers are all around. 含义。 答案：A 解析：数字无处不在，融入日常生活。 2. How many students? twelve正确拼写。 答案：A 解析：十二正确拼写是twelve。 3. 5 ropes + 7 ropes = ____. 答案：C 解析：五加七等于十二，twelve。 ▸ 提升题 1. 11正确拼写。 答案：A 解析：十一正确拼写是eleven。 2. 8正确拼写。 答案：A 解析：八正确拼写是eight。 3. Numbers help us ____. 答案：A 解析：数字帮助我们数东西。 ▸ 拓展题 1. What number comes after eleven? 答案：A 解析：十一之后是十二，twelve。 2. 综合：7 + 5 = 12。 答案：A 解析：七+五=十二，Seven + five = twelve。 3. Numbers are all around含义。 答案：A 解析：数字在我们日常生活中无处不在。 学科网（北京）股份有限公司 $