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Ellis School.

SCHOOL HOURS ARE:

Building Open to Staff	7:30 AM
First Bell	8:25 AM
Tardy Bell - Homeroom	8:35 AM
Dismissal	2:55 PM
Building Closed	4:30 PM

Everyday Mathematics – Unit 8

Rates and Ratios

Lessons are related to the following 6th grade GLE’s:

Numbers and Operations/Geometry and Measurement/Functions and Algebra

M(N&O)-6-1 Demonstrates conceptual understanding of rational numbers with respect to ratios (comparison of two whole numbers by division a/b, a : b, and a ÷ b , where b 0); and rates (e.g., a out of b, 25%) using models, explanations, or other representations.

M(N&O)-6-2 Demonstrates understanding of the relative magnitude of numbers by ordering or comparing numbers with whole number bases and whole number exponents (e.g.,33, 43), integers, or rational numbers within and across number formats (fractions, decimals, or whole number percents from 1- 100) using number lines or equality and inequality symbols.

M(N&O)-6-4 Accurately solves problems involving single or multiple operations on fractions (proper, improper, and mixed), or decimals; and addition or subtraction of integers; percent of a whole; or problems involving greatest common factor or least common multiple.

M(G&M)-6-5 Demonstrates conceptual understanding of similarity by describing the proportional effect on the linear dimensions of polygons or circles when scaling up or down while preserving the angles of polygons, or by solving related problems (including applying scales on maps). Describes effects using models or explanations.

M(F&A)-6-3 Demonstrates conceptual understanding of algebraic expressions by using letters to represent unknown quantities to write linear algebraic expressions involving two or more of the four operations; or by evaluating linear algebraic expressions (including those with more than one variable); or by evaluating an expression within an equation (e.g., determine the value of y when x = 4 given y = 3x - 2).

M(F&A)-6-4 Demonstrates conceptual understanding of equality by showing equivalence between two expressions using models or different representations of the expressions (expressions consistent with the parameters of M(F&A)-8-3), solving multi-step linear equations of the form ax ± b = c, where a, b, and c are whole numbers with a 0.