Week 1 - Big Ideas in Numbers Flashcards
Define Big Ideas in Numbers
An idea central to the learning of mathematics
Links numerous mathematical understandings into a coherent whole
Big Idea #1 explanation
Numbers
Numbers - The set of real numbers is infinite, and each real number can be associated with a unique point on the number line (for example, there is no greatest or least integer on the number line)
Big Idea #3
Equivalence
Any number, measure, numerical expression, algebraic expression, or equation can be represented in an infinite number of ways that have the same value (for example, 1/2 = 2/4 = 4/8)
Language of Mathematics
Unique Language
- Own symbols (x, -, +, =)
- Own vocabulary (coefficient, hypotenuse)
- Own grammar (multiplication, precedes, addition)
- Own semantics (meaning of words)
Language of Mathematics
Vocabulary
- Three students (adjective); The answer is three (noun)
- Pronunciation (fifteen, fifty)
- Million (very big number); milli (very small)
- 3 is a higher number that 1 (cardinal)
- First is higher than third (ordinal)
- Fractions: two fifths (cardinal over ordinal)
Language of Mathematics
3 components
Words which have the SAME meaning in English and in Mathematics
e.g. above, more, profit, increase
Words which have DIFFERENT meaning in English and mathematics
e.g. power, rational, variable, volume
Words which have meaning ONLY in mathematics
e.g. coefficient, hypotenuse, vinculum