Unit-three Walk into the Flower and Fruit Mountain——Addition and subtraction up to ten (走进花果山——10以内的加减法) LESSON ONE 第一课 Add up to five How many monkeys are there? 一共有几只猴子？ Let’s do a little wiggle. 我们来摆一摆。 Three plus two is five. 3+2=5 读作：3加2等于5。 How many birds are there? 一共有几只小鸟？ How many peaches are there? 一共有几个桃子？ Let me test you! 让我来考考你吧！ LESSON TWO 第二课 Subtraction below five How many peaches are left on the tree? 树上还剩几个桃子？ Wiggle it, Five sticks, Take away three, and you have two left. 摆一摆，5根小棒，拿走3根，还剩2根。 Five minus three is two. 5-3=2 读作：5减3等于2。 How many butterflies are there on the flower? 花上还有几只蝴蝶？ How many other frogs are there on the shore? 岸上还有几只青蛙？ Let me test you! 让我来考考你吧！ LESSON THREE 第三课 Addition of Six and Seven How many monkeys are there? 一共有几只猴子？ Four and two make six. 4+2=6 How many students are there? 一共有多少个同学？ How many peaches are there on the two trees? 两棵树上一共有几个桃子？ The tree on the right doesn’t have any peaches , represented by zeros. 右边的树上一个桃子也没有，用0来表示。 There are six peaches on the tree on the left. 左边树上有6个桃子。 The peaches on the two trees make six. 两棵树上的桃子合起来是6个。 Six plus zero is six. 6+0=6 Let me test you! 让我来考考你吧！ LESSON FOUR 第四课 Subtraction of six and seven How many people are left? 还剩几个同学？ How many monkeys are left in the tree? 树上还剩几只猴子？ What other questions can you ask? 你还能提出什么问题？ How many peaches are left on the tree? 树上还剩几个桃子？ Let me test you! 让我来考考你吧！ LESSON FIVE 第五课 Addition and subtraction of eight and nine 1. How many monkeys are there? 一共有几只猴子？ Five jumped into the hole, How many monkeys are left? 跳进洞里5只，还剩几只猴子？ 3. What other questions can you ask? 你还能提出什么问题？ 4. How many flowers are there? 一共有几朵花？ Let me test you! 让我来考考你吧！ LESSON SIX 第六课 Addition and subtraction of ten Ten peaches are divided into two piles, How can you divide them? 10个桃子分成两堆，可以怎样分？ I’m tabulating it. 我用表格记录。 Let me write it down mathematically. 我用算式记录。 Let me test you! 让我来考考你吧！ LESSON SEVEN 第七课 Add and subtract Look at the picture, What questions can you ask? 观察情境图，你能提出什么问题？ How many rabbits are there? 一共有多少只兔子？ Four plus three plus two is nine. 4+3+2=9 Let’s start with four plus three equals seven. 先算4+3=7 Seven plus two is nine. 再算7+2=9 What else can l do? 还可以怎样列算式？ How many monkeys are left in the tree? 树上还剩几只猴子？ Five minus one minus two equals two. 5-1-2=2 Five minus one equals four, What’s that? 先算5-1=4，再算什么？ What else can l do? 还可以怎样列算式？ Let me test you! 让我来考考你吧！ LESSON ELGHT 第八课 Combine addition and subtraction Look at the picture, What questions can you ask? 观察情境图，你能提出什么问题？ How many monkeys learn to fish now? 现在有几只猴子学钓鱼？ Five minus three plus one is three. 5-3+1=3 What’s first and what’s second? 先算什么，再算什么？ How many fish are there in the fishbowl now? 现在鱼缸里有几条鱼？ Three plus two minus one is four. 3+2-1=4 Let me test you! 让我来考考你吧！ |
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