Correct

石板

/ shíbǎn / 
Strokes

Definition

slab/flagstone/slate

Example

As a Noun

slabstone; flagstone

1
Yī
一
kuài
块
shíbǎn
石板

a slab of stone

As a Noun

slate (for writing on)

2
Jìshì
记事
shíbǎn
石板

slate for memos