Questions created by CREST students. Answer them and earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5! Rules for asking and answering
Senior KG Mental Maths questions written by CREST students for other students, as practice for the CREST Mental Maths Olympiad (CMMO). Each question belongs to one of the Senior KG Mental Maths topics: Counting Champions, Number Neighbours, Zero Zone, Quick Adds, Picture Play Addition, Missing Addend Challenge and 18 more.
There are 268 questions so far, newest first. Choose an answer and you see at once whether it is right, with the explanation the student gave. For the real exam pattern, try the Senior KG sample paper and the Senior KG previous year paper, and check the CMMO syllabus.
Showing: All Grades / Mental Maths (268 questions)
What will be the area of a carpet whose sides are 1800 cm by 11 m?
A cube has a total surface area of 216 cm². What is its volume?
A cuboid has dimensions 5 cm, 4 cm and 3 cm. What is the sum of the lengths of all its 12 edges?
Multiple-choice questions that CREST students write for other Senior KG students, on topics such as Counting Champions, Number Neighbours, Zero Zone. Anyone can answer them free; the student who wrote the question adds the correct option and an explanation.
Logged-in students earn +1 for answering a question, +3 for asking one, +1 each time someone answers their question and +1 for each upvote; they lose 1 for each downvote. The first five questions on a topic in a class earn a +5 Pioneer bonus. One point is worth a ₹1 discount on Additional Practice purchases. See the rules for asking and answering.
Student questions are good daily practice, but they are not an exam paper. For the real exam pattern, try the Senior KG sample paper and the Senior KG previous year paper, and check the CMMO syllabus.
Any logged-in student can press Report on a question. Questions that break the rules, such as wrong answers, copied pictures or keyboard mashing, are taken off and the points they earned are taken back.