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# 2014 CDB - 2

last edited by 5 years, 6 months ago

# CDB - Feb.

Questions will be on all topics from CDB #1 - Study Guide

SOLVE EXPANDED NOTATION PROBLEMS

DEFINITION OF A RECTANGLE Brainpop Study Island Math Mayhem

Math Glossary

Associative, Commutative and Distributive Properties

# MATH PREFIX GAME

 Identify essential attributes including parallel, perpendicular, and congruent parts of 2- and 3-d geometric figures   Geometric Shapes   Geometry   Study Jams - Edges, Faces & Vertices   Study Jams - Solid Figures   Study Jams - Types of Angles

 5.5A RS    Classify two-dimensional figures in a hierarchy of sets and subsets using graphic organizers based on their attributes and properties  POLYGONS   Geometry 5.8A SS  Describe the key attributes of the coordinate plane, including perpendicular number lines (axes) where the intersection (origin) of the two lines coincides with zero on each number line and the given point (0, 0); the x-coordinate, the first number in an ordered pair, indicates movement parallel to the x-axis starting at the origin; and the y-coordinate, the second number, indicates movement parallel to the y-axis starting at the origin Geometry Review 5.8B SS  Describe the process for graphing ordered pairs of numbers in the first quadrant of the coordinate plane Ordered Pairs 5.8C RS    Graph in the first quadrant of the coordinate plane ordered pairs of numbers arising from mathematical and real-world problems, including those generated by number patterns or found in an input-output table *We have practiced this a lot on the math wall throughout the year.

# Associative Property of Multiplication

(a + b) + c  =  a + (b + c)  (a × b) × c  =  a × (b × c)  ### Examples:

 This: (2 + 4) + 5  =  6 + 5  =  11 Has the same answer as this: 2 + (4 + 5)  =  2 + 9  =  11

### Examples:

 This: (3 × 4) × 5  =  12 × 5  =  60 Has the same answer as this: 3 × (4 × 5)  =  3 × 20  =  60