加法

tā huì zuò jiā fǎ dàn hái méi yǒu xué jiǎn fǎ

他会做加法，但还没有学减法。

He can do addition, but he hasn't learned subtraction yet.

tā zuò xīn suàn jiā fǎ hěn qīng sōng

他做心算加法很轻松。

He can add up in his head quite easily.

jiā hào yòng yú jiā fǎ

加号用于加法。

The plus sign is used in addition.

duì hái zi jìn xíng jī běn jiā fǎ hé jiǎn fǎ cè shì

对孩子进行基本加法和减法测试。

The children are tested on basic addition and subtraction.