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Mathematics 1, © Huidan Xu, 2022 - Coggle Diagram
Mathematics 1
Long Multiplication
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Checkerboard
x w/ bead bars, no facts: 1-D, 2-D; w/ facts
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Decimal Fractions
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○ Simple Operations(+,-,x,÷): by category; paper
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Intro
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◘ Decimal Board: crown, beads, candelabrum
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Properties of Numbers
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Multiples
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Common Multiples w/ Long Chains, Bead Bars, Multiples Paper; Table A,B
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Concept w/ Short Chains, Bead Bars, Multiples Paper
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Common Fractions
Towards Abstraction
x: w/ graph paper: make grid, rename, x, (reduce)
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+,-
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• Finding Common Deno.- LCM for +,-
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Naming, Notation, Equivalence, Simple Operations (+,- same denominator; x,/ by a whole number)
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