加減法 Addition and Subtraction ( Add and Less)

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加減法 Addition and Subtraction ( Add and Less): About

解釋加減法 Explanation Addition and Subtraction (Add and Less)

加法 Addition (Getting More)

增多了 more
增加 increase

1 + 1

一個橙加多了一個橙,就是兩個橙.

If you add an orange to an orange, you get two oranges.

1 + 1 = 2

減法 Subtraction (Less)

減少了 Less
減少 decrease
三個橙少了一個橙,就是兩個橙.
There is an orange missing from the three oranges, which is two oranges.
3 - 1

加減法 Addition and Subtraction ( Add and Less): Publications

解釋加法 Explanation Addition (Add)

步驟 1: 分析算法 (4+4)

Step 1: Analyzing question (4+4)

分析算法: 4個紅球加4個紅球

Analyzing 4 red balls plus 4 red balls

步驟 2: 找出原本的数值

Step 2: Finding the original value

找出原本的数值4個紅球

Find the original value 4 red balls

步驟 3: 增加4個紅球, 多了4個紅球
Step 3: Adding 4 red balls that it has more four red balls

步驟 4: 找到結論

Step 4: Finding the conclusion

找到結論:8紅球

Find the conclusion 8 red balls

加減法 Addition and Subtraction ( Add and Less): Publications

解釋減法 Explanation Subtraction (Less) (4-2)

加減法 Addition and Subtraction ( Add and Less)

解釋加減法 Explanation Addition and Subtraction (Add and Less)

加法 Addition (Getting More)

減法 Subtraction (Less)

解釋加法 Explanation Addition (Add)

步驟 1: 分析算法 (4+4)

Step 1: Analyzing question (4+4)

分析算法: 4個紅球加4個紅球

Analyzing 4 red balls plus 4 red balls

步驟 2: 找出原本的数值

Step 2: Finding the original value

找出原本的数值4個紅球

Find the original value 4 red balls

步驟 3: 增加4個紅球, 多了4個紅球
Step 3: Adding 4 red balls that it has more four red balls

步驟 4: 找到結論

Step 4: Finding the conclusion

找到結論:8紅球

Find the conclusion 8 red balls

解釋減法 Explanation Subtraction (Less) (4-2)

步驟 1: 分析算法 (4-2)

Step 1: Analyzing question (4-2)

分析算法: 4個紅球減2個紅球

Analyzing 4 red balls less 2 red balls

步驟 2: 找出原本的数值

Step 2: Finding the original value

找出原本的数值4個紅球

Find the original value 4 red balls

步驟 3: 減少2個紅球, 刪去2個紅球
Step 3: Less 2 red balls that it has less two red balls

步驟 4: 找到結論

Step 4: Finding the conclusion

找到結論:2紅球

Find the conclusion 2 red balls

加減法 Addition and Subtraction ( Add and Less)

解釋加減法 Explanation Addition and Subtraction (Add and Less)

加法 Addition (Getting More)

減法 Subtraction (Less)

解釋加法 Explanation Addition (Add)

步驟 1: 分析算法 (4+4)

Step 1: Analyzing question (4+4)

​

分析算法: 4個紅球加4個紅球

Analyzing 4 red balls plus 4 red balls

步驟 2: 找出原本的数值

Step 2: Finding the original value

​

找出原本的数值4個紅球

Find the original value 4 red balls

步驟 3: 增加4個紅球, 多了4個紅球Step 3: Adding 4 red balls that it has more four red balls

步驟 4: 找到結論

Step 4: Finding the conclusion

​

找到結論:8紅球

Find the conclusion 8 red balls

解釋減法 Explanation Subtraction (Less) (4-2)

步驟 1: 分析算法 (4-2)

Step 1: Analyzing question (4-2)

​

分析算法: 4個紅球減2個紅球

Analyzing 4 red balls less 2 red balls

步驟 2: 找出原本的数值

Step 2: Finding the original value

​

找出原本的数值4個紅球

Find the original value 4 red balls

步驟 3: 減少2個紅球, 刪去2個紅球Step 3: Less 2 red balls that it has less two red balls

步驟 4: 找到結論

Step 4: Finding the conclusion

​

找到結論:2紅球

Find the conclusion 2 red balls

步驟 3: 增加4個紅球, 多了4個紅球
Step 3: Adding 4 red balls that it has more four red balls

步驟 3: 減少2個紅球, 刪去2個紅球
Step 3: Less 2 red balls that it has less two red balls