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2. Number bond - Wikipedia

   en.wikipedia.org/wiki/Number_bond

   Number bond. In mathematics education at primary school level, a number bond (sometimes alternatively called an addition fact) is a simple addition sum which has become so familiar that a child can recognise it and complete it almost instantly, with recall as automatic as that of an entry from a multiplication table in multiplication. For ...

3. Krypto (game) - Wikipedia

   en.wikipedia.org/wiki/Krypto_(game)

   A spread of Krypto cards: players must find a way to calculate 12 using the numbers 5, 19, 8, 3 and 6. Krypto is a card game designed by Daniel Yovich in 1963 and published by Parker Brothers and MPH Games Co. [1] It is a mathematical game that promotes proficiency with basic arithmetic operations.

4. 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. The example in the adjacent image shows two columns of three apples and two apples ...

5. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   Order of operations. In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ranking of the operations. The rank of an operation is called its precedence, and ...

6. Number Munchers - Wikipedia

   en.wikipedia.org/wiki/Number_Munchers

   Number Munchers is an educational video game and a spin-off of Word Munchers. It was released by MECC for Apple II in 1986, then MS-DOS and Mac in 1990. The concept of the game was designed by R. Philip Bouchard, who also designed The Oregon Trail. [1][2] Two versions of the game were released the Consumer Version (for home use) and the School ...

7. Field (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Field_(mathematics)

   e. In mathematics, a field is a set on which addition, subtraction, multiplication, and division are defined and behave as the corresponding operations on rational and real numbers. A field is thus a fundamental algebraic structure which is widely used in algebra, number theory, and many other areas of mathematics.