Aptitude & Skills
Math puzzles
Find the missing number in a grid held together by plus and minus operations.
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Free preview
A short 10-question sample of the real format. You can retake it any time.
▶Preview test· Practice set 1 · 10 questions
You'll see your score and the explanations right after.
Full-length practice tests
Continue with new questions of the same type. Unlock all with premium.
- ▶New questionsPractice set 2 · Same format, different questions · 10 questions Start free →
- ▶Extra roundPractice set 3 · Another set to sharpen your pattern recognition · 10 questions Start free →
- ▶RefresherPractice set 4 · Consolidate what you have practiced · 10 questions Start free →
Show 20 more practice tests ↓
- ▶Full runPractice set 5 · Build pace across a whole set · 10 questions Start free →
- ▶Final rehearsalPractice set 6 · One last round before the real thing · 10 questions Start free →
- ▶New questionsPractice set 7 · Same format, different questions · 10 questions Start free →
- ▶Extra roundPractice set 8 · Another set to sharpen your pattern recognition · 10 questions Start free →
- ▶RefresherPractice set 9 · Consolidate what you have practiced · 10 questions Start free →
- ▶Full runPractice set 10 · Build pace across a whole set · 10 questions Start free →
- ▶Final rehearsalPractice set 11 · One last round before the real thing · 10 questions Start free →
- ▶New questionsPractice set 12 · Same format, different questions · 10 questions Start free →
- ▶Extra roundPractice set 13 · Another set to sharpen your pattern recognition · 10 questions Start free →
- ▶RefresherPractice set 14 · Consolidate what you have practiced · 10 questions Start free →
- ▶Full runPractice set 15 · Build pace across a whole set · 10 questions Start free →
- ▶Final rehearsalPractice set 16 · One last round before the real thing · 10 questions Start free →
- ▶New questionsPractice set 17 · Same format, different questions · 10 questions Start free →
- ▶Extra roundPractice set 18 · Another set to sharpen your pattern recognition · 10 questions Start free →
- ▶RefresherPractice set 19 · Consolidate what you have practiced · 10 questions Start free →
- ▶Full runPractice set 20 · Build pace across a whole set · 10 questions Start free →
- ▶Easy · 1One last round before the real thing · 10 questions Start free →
- ▶Easy · 2Same format, different questions · 10 questions Start free →
- ▶Difficult · 1Another set to sharpen your pattern recognition · 10 questions Start free →
- ▶Difficult · 2Consolidate what you have practiced · 10 questions Start free →
What to expect
- 10 questions per practice set, with an explanation for every answer
- A grid of numbers joined by plus and minus operations
- One correct answer per question
Tips to score higher
- Start with the row or column missing only one number
- Work left to right, do not do all the additions first
- Put your answer back in to check it
Explanation
Practice math puzzles for free: a grid of numbers joined by plus and minus operations in which you find the missing number.