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# What are answers to math problems?

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Solving a math problem results in a numerical answer of equal value to the problem's equation. Most math problems require the solver to find the value of an unknown variable. In the algebraic math problem x - 4 = 10, the answer is the value of "x." Answers may also equal the simplified value of a problem: 6a + 5b + 4a = 15a.

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A math word problem asks for the numerical answer to question about a story or situation. These problems also require calculation. To find how many Lego pieces John has after losing 17 of his 2,080 pieces, the solver must recognize that the word "losing" refers to subtraction. The answer equals 2,064, the value of 2,080 - 17.

Solving a problem with two numbers and no variables requires only one step: 2 + 3 = 5. Algebraic problems contain variables, and finding their solutions involves a series of mathematical steps. The goal is to have the variable or variables on one side of the equation and the numerical value they equal on the other. To find the answer to the algebraic expression x - 4 = 10, four is added to both sides: x - 4 + 4 = 10 + 4. Simplifying this equation results in the solution x = 14.

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## Related Questions

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Houghton Mifflin's "Math Expressions: Grade 2" includes problems involving counting to 10, word problems, coinage, subtraction, basic multiplication, linear measurements, shapes, time, geometry, three-dimensional spaces and metric measurements. The school year is split into 14 units that introduce basic concepts of mathematics and builds on each concept as the year progresses.

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Good practice math problems for a sixth grader include word problems, multiplication and division of decimals, dividing fractions and figuring out square roots. Some sixth graders are also ready to tackle problems from geometry or algebra.

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Khan Academy and CK-12 both offer well-designed websites with high-quality, comprehensive coverage of fifth grade math topics. Both sites are free and contain tutorials, videos and practice problems. In addition, these sites offer their own applications for easy access on a personal device.