加减乘除

小编为您收集和整理了加减乘除的相关文章：加减乘除+plus加Addition加法=equals等于Letslearnaddition.Sayitoutloud.1+1=2Oneplusoneequalstwo.2+2=4Twoplustwo...

加减乘除

+ plus 加

Addition 加法

= equals 等于

Let's learn addition.

Say it out loud.

1 + 1 = 2 One plus one equals two.

2 + 2 = 4 Two plus two equals four.

3 + 3 = 6 Three plus three equals six.

Let's guess.

1 + ? = 3 One plus what equals three?

I know, I know.

O.k. Johnny?

2, 1+2=3

Very good!

Let's guess.

2 + ? = 9 Two plus what equals nine?

I know, I know.

O.k. Amy?

7, 2+7=9

Very good!

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