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2. 30 Math Puzzles (with Answers) to Test Your Smarts - AOL

   www.aol.com/30-math-puzzles-answers-test...

   The post 30 Math Puzzles (with Answers) to Test Your Smarts appeared first on Reader's Digest. ... And, if you prefer your riddles free of math, we have great riddles for kids too. Math puzzles ...

3. Arithmetic - Wikipedia

   en.wikipedia.org/wiki/Arithmetic

   Arithmetic is an elementary branch of mathematics that studies numerical operations like addition, subtraction, multiplication, and division. In a wider sense, it also includes exponentiation, extraction of roots, and taking logarithms. Arithmetic systems can be distinguished based on the type of numbers they operate on.

4. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.

5. Numeracy - Wikipedia

   en.wikipedia.org/wiki/Numeracy

   Basic numeracy skills consist of comprehending fundamental arithmetical operations like addition, subtraction, multiplication, and division. For example, if one can understand simple mathematical equations such as 2 + 2 = 4, then one would be considered to possess at least basic numeric knowledge.

6. Addition - Wikipedia

   en.wikipedia.org/wiki/Addition

   Addition (usually signified by the plus symbol, +) is one of the four basic operations of arithmetic, the other three being subtraction, multiplication, and division. [2] The addition of two whole numbers results in the total amount or sum of those values combined.

7. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   The sum of two numbers is unique; there is only one correct answer for a sums. [8] When the sum of a pair of digits results in a two-digit number, the "tens" digit is referred to as the "carry digit". [9] In elementary arithmetic, students typically learn to add whole numbers and may also learn about topics such as negative numbers and fractions.