Variables – Integers with Loops

This quiz uses integers as values and then looks at incrementing them through a loop. Before attempting this, a good understanding of variables and loops is required. It might also be good to find out about the use of a trace table.

Results

You have a good grasp of variables. Have a look at any questions you got wrong and see if you can work out why. You can try out the actual code here. https://scratch.mit.edu/projects/370001507/

You need to work on your understanding of variables.

Ask your teacher about how to make a table to help you understand what is going on as you step through a program.

You can try out the actual code here.

https://scratch.mit.edu/projects/370001507/

#1. What number will Scratch say ?

1

1

0

0

11

11

10

10

#2. What number will Scratch say?

18

18

20

20

10

10

12

12

2

2

#3. What number will Scratch say?

4

4

10

10

1

1

7

7

#4. What number will Scratch say?

8

8

16

16

9

9

25

25

#5. What number will Scratch say?

12

12

13

13

21

21

55

55

Score and next steps