Download Big Ideas for Small Mathematicians: Kids Discovering the by Ann Kajander PDF

By Ann Kajander

Introducing refined mathematical principles like fractals and infinity, those hands-on job books current ideas to youngsters utilizing interactive and understandable equipment. With fascinating tasks that conceal a variety of math content material and talents, those are excellent assets for straightforward institution arithmetic enrichment courses, standard school room guideline, and home-school courses. Reproducible task sheets lead scholars via a technique of engaged inquiry with lots of precious assistance alongside the way in which. an inventory of important phrases particular to every job encourages academics and fogeys to introduce scholars to the vocabulary of math.  Projects during this first of the 2 Big Ideas books contain “Straw Structures,” the place young ones get hands-on event with dimension and 3-D visualization; “Kaleidoscopes,” during which scholars use geometry to construct a mathematical toy; and “Crawling round the Möbius Strip,” the place youngsters construct a actual instance of infinity.

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Extra resources for Big Ideas for Small Mathematicians: Kids Discovering the Beauty of Math with 22 Ready-to-Go Activities

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For example, a hexagon is a polygon with six sides. A regular polygon has all sides equal. (continued on next page) 19 Chapter 4 HELPFUL TERMS Polyhedron: A polyhedron is a three-dimensional shape with polygons as faces. For example, a cube is a polyhedron with six square faces. The plural of polyhedron is polyhedra. Pythagorean theorem: This theorem describes the relationship of squares drawn on each of the three sides of a right-angled triangle: The areas of the two smaller squares added together will always exactly equal the square drawn on the longer side (called the hypotenuse).

Divisibility: The divisibility of a number describes whether any numbers can be divided into it with no remainder. For example, 10, 15, and 20 are divisible by 5. The divisibility rule for 5 is that 5 will divide evenly (with no remainder) into numbers that end in 5 or 0. Equilateral: A figure with all sides equal (which will make the angles equal, too) is equilateral. We refer to a triangle with all three sides equal as an equilateral triangle. We generally call an equilateral rectangle a square, so we don’t really need the term equilateral in that context.

You could go over the various shape possibilities at this point. Be sure to emphasize that the structure must be a closed shape, meaning that you could enclose it by gluing paper on all outside faces. 2. Explain to the children the basics of joining the straws and pipe cleaners: First they should cut the pipe cleaners into about 6-inch (16-cm) pieces. 3. Next, they bend a pipe cleaner piece in half, then bend the ends in any direction they like. They should dab the ends with glue and insert each end into a straw, connecting two straws.

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