Scratch

Point out Scratch’s built-in variables before students create their own variables so that students become familiar with variable-related blocks.

Share Point out Scratch’s built-in variables before students create their own variables so that students become familiar with variable-related blocks. with Facebook Share Point out Scratch’s built-in variables before students create their own variables so that students become familiar with variable-related blocks. with Twitter

Misconception: Students get confused about whether to set or change variables in Scratch.

Share Misconception: Students get confused about whether to set or change variables in Scratch. with Facebook Share Misconception: Students get confused about whether to set or change variables in Scratch. with Twitter

Have students create a reset script and it store in their Scratch backpack so they can use in the future to set the Stage back to a uniform starting point.

Share Have students create a reset script and it store in their Scratch backpack so they can use in the future to set the Stage back to a uniform starting point. with Facebook Share Have students create a reset script and it store in their Scratch backpack so they can use in the future to set the Stage back to a uniform starting point. with Twitter

Encourage students to use blocks instead of the user interface when orienting the sprite in Scratch.

Share Encourage students to use blocks instead of the user interface when orienting the sprite in Scratch. with Facebook Share Encourage students to use blocks instead of the user interface when orienting the sprite in Scratch. with Twitter

Misconception: Students think that a “repeat 1” block in Scratch will execute the relevant script twice, where the script executes once and then repeats once.

Share Misconception: Students think that a “repeat 1” block in Scratch will execute the relevant script twice, where the script executes once and then repeats once. with Facebook Share Misconception: Students think that a “repeat 1” block in Scratch will execute the relevant script twice, where the script executes once and then repeats once. with Twitter

Encourage students to be careful when using sound blocks in Scratch that don’t have durations, as these blocks start sounds immediately rather than waiting until the first sound is done.

Share Encourage students to be careful when using sound blocks in Scratch that don’t have durations, as these blocks start sounds immediately rather than waiting until the first sound is done. with Facebook Share Encourage students to be careful when using sound blocks in Scratch that don’t have durations, as these blocks start sounds immediately rather than waiting until the first sound is done. with Twitter

Have students create polygons in Scratch to help them practice debugging and reasoning about geometry.

Share Have students create polygons in Scratch to help them practice debugging and reasoning about geometry. with Facebook Share Have students create polygons in Scratch to help them practice debugging and reasoning about geometry. with Twitter

Teach students the Total Turn Theorem to help them reason about drawing regular, closed polygons in Scratch.

Share Teach students the Total Turn Theorem to help them reason about drawing regular, closed polygons in Scratch. with Facebook Share Teach students the Total Turn Theorem to help them reason about drawing regular, closed polygons in Scratch. with Twitter

Misconception: Students think that “turn” blocks in Scratch imply a change in position within the coordinate plane.

Share Misconception: Students think that “turn” blocks in Scratch imply a change in position within the coordinate plane. with Facebook Share Misconception: Students think that “turn” blocks in Scratch imply a change in position within the coordinate plane. with Twitter

Start teaching Scratch with blocks that run for a set amount of time to avoid the common misconception that blocks are executed simultaneously.

Share Start teaching Scratch with blocks that run for a set amount of time to avoid the common misconception that blocks are executed simultaneously. with Facebook Share Start teaching Scratch with blocks that run for a set amount of time to avoid the common misconception that blocks are executed simultaneously. with Twitter

Subscribe to Scratch