Today it's time for your weekly arithmetic test. To add an extra element of competition you could time yourself and add on 10 seconds for any questions you don't get right. You'll then be able to monitor and compare your scores each week t see how you're progressing.
You've also got a riddle to solve - the answer will be posted on Monday. In the meantime, feel free to share with people at home, just don't Google the answer!
How can you add eight 8's to get the number 1,000? (only use addition)