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Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, interactive explorations.
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Excel in math and science
Master concepts by solving fun, challenging problems.
It's hard to learn from lectures and videos
Learn more effectively through short, interactive explorations.
Used and loved by over 6 million people
Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.
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Basic Mathematics
Basic Arithmetic
Concept Quizzes
Partition Puzzle Warmup
Addition and Subtraction
Number Hunt Warmup
Multiplication and Division
Exponents
Rational Exponents
Addition/Multiplication
Order of Operations - Parentheses
Order of Operations
Number Line Warmup
Representation on the Real Line
Word Problems
Problem Solving
Divisibility by 3 (Step Up Quiz)
Challenge Quizzes
Level 1
Level 2
Representation on the Real Line
In the above real line, if \( X = 3 \), which of the following is a possible value for \( a?\)
3.5
4.0
1.5
4
Submit
In the above real line, if \( A = 2 \) and \(B = 4 \), which of the following is a possible value for \(x \)?
2.54
6.24
4.6
1.70
Submit
If \(X=-10.28\) on the real line above, what is the value of \(A+B?\)
Submit
Which of the following represents the number that has the same absolute value as \(X?\)
\[A\]
\[B\]
\[C\]
\[D\]
Submit
In the above number line, if \(k = 4.4 \), which of the following is a possible value for \(A\)?
5
8
6
3
Submit
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