mental calculation; oral arithmetic
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesverb
to calculate mentally and speak the result
neutralA method of arithmetic without writing, often practiced for speed and skill. Used in educational contexts to train mental math.
Zhè这
ge个
xiǎo小
xué学
shēng生
de的
kǒu口
suàn算
sù速
dù度
hěn很
kuài快
。
This elementary school student's mental calculation speed is very fast.
Lǎo老
shī师
ràng让
xué学
sheng生
men们
kǒu口
suàn算
jiǎn简
dān单
de的
jiā加
fǎ法
tí题
。
The teacher had the students do simple addition problems mentally.
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Tā他
bú不
yòng用
zhǐ纸
bǐ笔
，
zhí直
jiē接
jiù就
kǒu口
suàn算
chū出
le了
dá答
àn案
。
He calculated the answer mentally without using pen and paper.