Questions	Your answer	Correct answer	Marking
What is 8 - 3 ?	5	5	✓
What is 4 - 1 ?	3	3	✓
What is 4 - 6 ?	-2	-2	✓
What is 7 - 10 ?	-3	-3	✓
What is 7 - 7 ?	0	0	✓
What is 8 - 6 ?	2	2	✓
What is 6 - 9 ?	-3	-3	✓
What is 7 - 6 ?	1	1	✓
What is 2 - 7 ?	-5	-5	✓
What is 2 - 7 ?	-5	-5	✓
What is 3 - 8 ?	-5	-5	✓
What is 7 - 3 ?	4	4	✓
What is 2 - 8 ?	-6	-6	✓
What is 2 - 5 ?	-3	-3	✓
What is 7 - 1 ?	6	6	✓
What is 3 - 10 ?	-7	-7	✓
What is 8 - 6 ?	2	2	✓
What is 3 - 8 ?	-5	-5	✓
What is 5 - 7 ?	-2	-2	✓
What is 5 - 6 ?	-1	-1	✓

Your final score is 20/20. Time taken 21.55 seconds.