set [my variable] to (0)
change [my variable] by (1)
show variable [my variable]
hide variable [my variable]
![Image of Scratch block 'set [my variable] to (0)'](https://printscratch-files.s3.amazonaws.com/docs/en/variables_1.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAYUHGB42YNCWMFZ54%2F20241221%2Fus-east-2%2Fs3%2Faws4_request&X-Amz-Date=20241221T131712Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=9b730c53599f3a4ab1f22b81e657ae43cd1bd9c71ac0bdbd509d6f0dbf16417e)
![Image of Scratch block 'change [my variable] by (1)'](https://printscratch-files.s3.amazonaws.com/docs/en/variables_2.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAYUHGB42YNCWMFZ54%2F20241221%2Fus-east-2%2Fs3%2Faws4_request&X-Amz-Date=20241221T131712Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=e0db6c3b91aed52d99e3959d39c0649b00ad1e7b9af705d8116b261e70b144a6)
![Image of Scratch block 'show variable [my variable]'](https://printscratch-files.s3.amazonaws.com/docs/en/variables_3.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAYUHGB42YNCWMFZ54%2F20241221%2Fus-east-2%2Fs3%2Faws4_request&X-Amz-Date=20241221T131712Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=4c905ea1c5ec3526cf4ec1c549a5a8d7c5e85be813679ffbc2ba2bfa6521493f)
![Image of Scratch block 'hide variable [my variable]'](https://printscratch-files.s3.amazonaws.com/docs/en/variables_4.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAYUHGB42YNCWMFZ54%2F20241221%2Fus-east-2%2Fs3%2Faws4_request&X-Amz-Date=20241221T131712Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=07036329993c21559c4d282a849e97b2cb7e7dab3c1acf4d41d64fa693f80432)