<p class="ql-block"><b>3A Unit 01 there little pigeons-2</b></p><p class="ql-block">视频:清华英语，复述粉猪第一季</p><p class="ql-block">音频:清华英语，汉语第三册</p> <b>1. Cardinal numbers（参考ERIC妈妈）</b><br>The numbers which give us the exact quantity of an object are called cardinal numbers. In other words, cardinal numbers answer “How many?”<br>For instance: How many dogs are there in all?<br><br>To know the total number of dogs, we need to count the dogs given in the image. Therefore, there are 8 dogs in all.<br><br>1）From where do cardinal numbers start?<br>Cardinal numbers or counting numbers start from 1.<br><br>2）How many cardinal numbers are there?<br>Cardinal numbers can go on and on and on. That means there are infinite counting numbers.<br>(Imagine, how many numbers you'll need to count the number of stars in the sky or the number of sand grains in a desert?)<br>3) How are cardinal numbers formed?<br>The digits 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0 are used to form several other cardinal numbers.<br>For example:<br><br>4) Is zero (0) a cardinal number?<br>No, zero (0) is not a cardinal number. To know “how many” there should be something. Since 0 means nothing; it is not a cardinal number.<br><br>We can write cardinal numbers in numerals as 1, 2, 3, 4, and so on as well as in words like one, two, three, four, and so on.<br>The chart shows the cardinal numbers in figures as well in words.<br><br><b>Fun Facts</b><br>• Cardinal numbers are also called natural numbers.<br>• Natural Numbers (Cardinal numbers) along with 0 form a set of whole numbers.<br><br><b>2. Ordinal numbers</b><br>The numbers which give us the exact position of an object are called ordinal numbers. Ordinal numbers tell the position of an object rather than their quantity.<br><br>Example 1- The given picture shows different floors in a building. We can use ordinal numbers to define their position.<br><br>The numbers 1st(First), 2nd(Second), 3rd(Third), 4th(Fourth), 5th(Fifth), 6th(Sixth), 7th(Seventh), 8th(Eighth), 9th(Ninth) and 10th(Tenth) tell the position of different floors in the building. Hence, all of them are ordinal numbers.<br><br>Example 2-The given picture shows some athletes competing in a 400 m race. We can use ordinal numbers to define their position.<br><br>The numbers 1st(First), 2nd(Second), 3rd(Third), 4th(Fourth), 5th(Fifth), 6th(Sixth), 7th(Seventh), 8th(Eighth), 9th(Ninth) and 10th(Tenth) tell the position of different athletes in the race. Hence, all of them are ordinal numbers.<br><br><b>Fun Fact</b><br>• 11, 12 and 13 are the only numbers to use a suffix ‘–th’ but all other numbers ending with 1 use ‘–st’, 2 use ‘–nd’ and 3 use ‘–rd’. <p class="ql-block"><b>How many are there</b></p><p class="ql-block">M: Come with me moon. We will walk around the house and count things, ok?</p><p class="ql-block">E: Ok.</p><p class="ql-block">M: Look, how many bananas are in the bowl?</p><p class="ql-block">B: Five bananas in the bowl.</p><p class="ql-block">M: Good job. Now，how many eggs are in the fridge?</p><p class="ql-block">B: There are six eggs in the fridge.</p><p class="ql-block">M: Yes! There are six eggs in the fridge. Let's go to your room. How many pillows are on your bed?</p><p class="ql-block">B: There are two pillows on my bed.</p><p class="ql-block">M : Well done! High ten! Let's keep finding things ok?</p><p class="ql-block">B : Ok.</p> <p class="ql-block">刚到的发饰盒，用来激发娃的兴趣再好不过。现在对first，second，third，fouth有了概念。</p> <b>Which characters is first（用三国人物学习序数）</b><br>M: We have some characters of the Three Kingdoms. DO you know them?<br>B: 关羽、张飞、刘备、曹操等等<br>M : Yes, good job. Would you like to put them in a line?<br>B: Yes, I want to try.<br>M : Good job! Now which characters is first. Do you know?<br>B: 关羽 is first.<br>M: And where is张飞?<br>B: It is second.<br>M:Ok, now you can ask me. I will put the characters down.<br>B: Which characters is first?<br>M: The 刘备 is first.<br> <p class="ql-block">正好买了四把颜色不同的牙刷，继续玩序数游戏，然后用报数的方式来巩固，first， second，third，fouth基本掌握！</p> <p class="ql-block">希望之星初评结果终于出来，今年比去年进步很大，一等奖😁</p>