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2. Manipulative (mathematics education) - Wikipedia

   en.wikipedia.org/wiki/Manipulative_(mathematics...

   Examples of common manipulatives include number lines, Cuisenaire rods, fraction strips, [1] base ten blocks (also known as Dienes or multibase blocks), interlocking linking cubes (such as Unifix), construction sets (such as Polydron and Zometool), colored tiles or tangrams, pattern blocks, colored counting chips, [2] numicon tiles, chainable ...

3. Grid method multiplication - Wikipedia

   en.wikipedia.org/wiki/Grid_method_multiplication

   While not normally taught as a standard method for multiplying fractions, the grid method can readily be applied to simple cases where it is easier to find a product by breaking it down. For example, the calculation 2 ⁠ 1 / 2 ⁠ × 1 ⁠ 1 / 2 ⁠ can be set out using the grid method

4. Virtual manipulatives for mathematics - Wikipedia

   en.wikipedia.org/wiki/Virtual_manipulatives_for...

   Base Ten blocks for math. Virtual manipulatives for mathematics are digital representations of physical mathematics manipulatives used in classrooms. [1] The goal of this technology is to allow learners to investigate, explore and derive mathematical concepts using concrete models. [2] [3]

5. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   Unit fractions can also be expressed using negative exponents, as in 2 −1, which represents 1/2, and 2 −2, which represents 1/(2 2) or 1/4. A dyadic fraction is a common fraction in which the denominator is a power of two , e.g. ⁠ 1 / 8 ⁠ = ⁠ 1 / 2 3 ⁠ .

6. Category:Mathematical manipulatives - Wikipedia

   en.wikipedia.org/wiki/Category:Mathematical...

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7. Numeracy - Wikipedia

   en.wikipedia.org/wiki/Numeracy

   The assessment included tests for number, algebra (also called patterns and relationships at fourth grade), measurement, geometry, and data. The latest study, in 2003, found that children from Singapore at both grade levels had the highest performance. Countries like Hong Kong SAR, Japan, and Taiwan also shared high levels of numeracy.