Mental Math Warm-Up Quiz
10 questions · Grades 3 to 8 · about 3 minutes. Free to host live, no sign-up.
Quick mental math for the start of a lesson. Each question has a short timer, and faster correct answers earn more points, so it rewards both accuracy and speed. Ten questions take about three minutes.
- Freead-free game screens
- No sign-uphost or play in seconds
- 300players in one game
- 6question types
Mental Math Warm-Up Quiz: 10 questions, about 3 minutes, grades 3 to 8. Press Host this quiz to open it in the PickWhim quiz builder. You can change any question, add your own logo and try it first, and then start a live game that players join with a code on their phones. It is free and needs no sign-up.
How to play the Mental Math Warm-Up Quiz
- 1Open the quizPress Host this quiz. The questions are ready, and you can edit anything.
- 2Share the codeShow the code and QR code on a big screen. Players join on any phone, no app needed.
- 3Play liveEach question has a timer. Faster right answers earn more points.
- 4See who winsA leaderboard and a podium at the end. Draw a prize winner with the spin the wheel.
Mental Math Warm-Up Quiz: questions and answers
Here is the full list, so you can check it before you host. Every question has a 15 second timer in the live game, and you can change that.
- Multiple choice7 × 8 = ?A. 54B. 56C. 58D. 64Answer: 56
- Multiple choice12 + 19 = ?A. 29B. 31C. 33D. 41Answer: 31
- Multiple choice100 − 37 = ?A. 67B. 73C. 63D. 53Answer: 63
- Multiple choice9 × 9 = ?A. 72B. 81C. 90D. 99Answer: 81
- Multiple choiceWhat is half of 250?A. 115B. 120C. 125D. 150Answer: 125
- Multiple choice144 ÷ 12 = ?A. 11B. 12C. 14D. 16Answer: 12
- Multiple choiceWhat is 15% of 200?A. 15B. 20C. 30D. 45Answer: 30
- Multiple choice3² + 4² = ?A. 12B. 24C. 25D. 49Answer: 25
- Multiple choiceWhat is the next prime number after 7?A. 9B. 10C. 11D. 13Answer: 11
- Multiple choice1/4 written as a percentage is…A. 14%B. 25%C. 40%D. 50%Answer: 25%
Good to know
- A fast way to find 15%: take 10%, then add half of that (10% of 200 is 20, half is 10, so 15% is 30).
- Squares such as 3² and 4² add up to 5², a famous Pythagorean triple: 9 + 16 = 25.
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See all ready-made quizzes or build your own quiz. You can also run any quiz as a team game or with knockout rounds, where a wrong answer puts a player out.
Frequently asked questions
Is the Mental Math Warm-Up Quiz free?
Yes. You can host it and play it for free, and players do not need an account. Players only choose a nickname when they join.
How do I play the Mental Math Warm-Up Quiz with my class or group?
Press Host this quiz to open it in the PickWhim quiz builder, then start the game. You get a six-digit code and a QR code to show on a big screen. Players open pickwhim.com/play on their phones, enter the code and answer each question against the clock.
Can I change the questions in this quiz?
Yes. When you open the quiz in the builder you can edit, delete or add questions, change the timers, add your own logo, play in teams or turn on knockout rounds. Use Try it first to play your changes before you go live.
How long does the Mental Math Warm-Up Quiz take?
About 3 minutes for 10 questions, depending on how long you spend on each answer.
How many people can play at once?
Up to 300 players can join one game.
Ready when you are
Write your questions, share the code and start. It takes about a minute, and it is free.