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找出缺少的加數 12+__=25（共同核心）
Madison Roberts
平均評分：4.9評論數量：(636)
在這次課程中，我們將練習尋找缺少的加數。我們將使用數鍵並了解加法和減法問題之間的關係。
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課堂經歷
美國等級 1 - 4
In this class we will use number bonds to learn the relationship between addition and subtraction problems. This will lead us to finding missing addends in math problems. We will use the vocabulary part +part= whole and whole-part=part I will give the students examples of a number bond and show them how to use one. The students will then help me complete a number bond. Students will then use the number bond to write equations. We will then check our answers. I will then give students an...
Common Core Standards CCSS.MATH.CONTENT.2.NBT.B.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Students will need a paper and pencil or a white board that they can do their problems on.
學習者無需使用標準 Outschool 工具以外的任何應用程式或網站。
平均評分：4.9評論數量：(636)
Hi, my name is Madison. I have a Bachelor's of Science Degree in Elementary Education with an emphasis in Social Science and Math. I have a 9 year old son and a 6 year old daughter. We love to play outside and create art with the things we find in...
團體課
US$10
每班見面一次
25 分鐘
由 88 學習者完成
即時視訊會議
Ages: 6-10
1-6 每班學員人數
