Repeated addition is adding equal groups together, which is the same as the multiplication. If the exact number is repeated, then we can write repeated addition in the form of multiplication.
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An amount left over after division (happens when the first number does not divide exactly by the other). Example: 19 cannot be divided exactly by 5.
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Splitting into equal parts or groups.
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A way to assist in describing multiplication with meaningful language. For example, 3 x 4 may be said as 3 groups of 4.
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Obtain from (a number) another that contains the first number a specified number of times.
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The numeral 0 that has the value of nothing, none, nil or nought.
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Unifix cubes are colourful interlocking cubes that help mathematicians learn number and math concepts.
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Skip counting is counting in amounts other than ones. The most common amounts to skip count in are 2 (2, 4, 6), 5 (5, 10, 15), or 10 (10, 20, 30). Skip counting is often an efficient strategy to solve problems.
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An arithmetical strategy involving partitioning a small number into two parts without counting, typically with both parts in the range 1 to 5, for example partitioning 6 into 5 +1, 4+2 and so on.
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The ability to conceive simultaneously of a whole and two parts, e.g. conceiving of 10 and also of the parts 6 and 4. This means the mathematicians do not need to rely on counting-by-ones to add and subtract.
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