Algebra I Chapter 1 Review.

Slides:

Advertisements

Similar presentations

1.2 Proportions. Write down everything you know about: RatiosRates Proportions.

Advertisements

Quiz 6B Review Ratio, Unit Rate, and Conversion Factors.

2-1 Solving Linear Equations and Inequalities Warm Up

Bellwork Solve Solve Solve for x Solve for x Two similar triangles have a scale factor of 2. The sum of the angles in the first triangle is 180 o. What.

Ratio Notes A ratio is a comparison of two numbers by division. Each number in a ratio is called a term. Ratios can be written three ways and SHOULD ALWAYS.

12 An adult meal at a restaurant costs one dollar less than twice the cost “c” of a child’s meal. Write an equation that can be used to find the cost of.

Answer: 18in/minute x 60min/1hour = 1080 inches/hour

Advance Bench Mark 2! Created by Educational Technology Network

Finding angles with algebraic expressions

Similar figures have exactly the same shape but not necessarily the same ______________. Corresponding sides of two figures are in the same relative position,

Writing and Solving Proportions. Proportions Proportion is an equation stating that two ratios are equivalent. Proportional are two quantities that form.

To make cranberry jam you need 12 cups of sugar for every 16 cups of cranberries. Find the amount of sugar needed for 4 cups of cranberries. 3 cups.

To make cranberry jam you need 12 cups of sugar for every 16 cups of cranberries. Find the amount of sugar needed for 4 cups of cranberries.

Wednesday, November 20th SparkplugAgenda Make game board Unit 3 Review Game Tyriese has blueprints for his future mansion. The scale for the blueprints.

8 Math Mid Term Review. Write an algebraic expression for “18 less than a number”

Ratio is a comparison of two numbers by division.

Solve linear equations using a variety of methods. Solve linear inequalities. 2-1 Objectives.

5-4 Writing Equations in Slope-Intercept Form

Nouns to Mixed Numbers Nouns to Mixed Numbers next © Math As A Second Language All Rights Reserved.

Holt Algebra Proportional Reasoning 2-2 Proportional Reasoning Holt Algebra 2 Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz.

In a ÷ b = c ÷ d, b and c are the means, and a and d are the extremes. In a proportion, the product of the means is equal to the product of the extremes.

Unit 6: Scale Factor and Measurement

Real World Examples - Proportions 7 th Grade Math November, 2012.

Chapter 2 - Linear Functions

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Proportions Scale Models And Scale.

Objective: To use the U.S. system of measurement To do conversions within the system Class Notes Measurement Sec Review: A presidential poll.

Evaluating Algebraic Expressions 5-6 Indirect Measurement Extension of MG1.2 Construct and read drawings and models made to scale. California Standards.

2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Proportions Similar Figures PercentsApplications.

Test Review Ratio/Rate/Similar Figures (proportion)

Proportional Reasoning

Teammate Selection Select a 6 th grade teammate.

Chapter 7 Proportional Reasoning Section 7.2 Proportional Variation and Solving Proportions.

Proportions Bingo ©2006 Region 4 ESC Accelerated Curriculum for Mathematics Grade7 TAKS.

Ratios and Rates A ratio is a comparison of two numbers by division. A rate represents quantities measured in different units. $ 1.50 for 16 ounces of.

Notes Over 11.1 Proportions Vocabulary Proportion - an equation that states that two ratios are equal. Cross Product Property - the product of the extremes.

Example #1 James got a flyer advertising a sale at the music store. Based on the ad, how much would 5 CDs cost? Five CDs would cost $ Special –

Proportional Reasoning

Warm Up Sept. 12 th Sit in your usual seat with your tracking sheet out and your homework on your desk. Answer the following questions on your OWN sheet.

Station 1 - Proportions Solve each proportion for x

Do Now Find the missing sides. 1) 15 5 y ) x – 2 32 y = 7x = 26.

1. What is the height of the building?

#1. #2 #3 #4 #5 Ruby is standing in her back yard and she decides to estimate the height of a tree. She stands so that the tip of her shadow coincides.

MA.912.A.5.4: Solve algebraic proportions. The length to height ratio of a rectangular window is 5 inches to 4 inches. What is the height of this window.

Section 4-2: Proportions and Similar Figures SPI 12F: Select ratios and proportions to represent real-world problems Objective: use proportions to find.

Algebra 1 Section 11.1 Solve proportions A ratio is a comparison of two quantities. A proportion is an equation that sets two ratios equal. = Find the.

Proportional Reasoning

Aim: How do we solve proportion problems?

Do Now Find the missing sides. y = 7 x = 26 2) 1) x – y

1 F On a map of Philadelphia, 3 centimeters on the map represent 10 city blocks. How many centimeters represent 15 city blocks? A 3.5 centimeters B 4 centimeters.

Using Unit Rates Conversions Solving Proportions Applying Similarity

Ratio & Unit Rate Pre-Algebra.

4.1 Ratios Ratio: uses division to compare two numbers. Numbers are usually the same unit of measurement. Do not convert to a decimal or a mixed fraction,

Unit 6: Scale Factor and Measurement

Chapter 7 Review Part 1 Mrs. Breeding.

Bell Ringer Throw Back Thursday

Proportional Reasoning

Lesson 6.5 Similarity and Measurement

Similar triangles.

6.3 AA Similarity Geometry.

Chapter 5 Review Pre-Algebra Review.

Section 1.2 Modeling Quantities.

That sounds pretty easy.

What scale factor is used to solve this problem?

Proportional Reasoning

Geometry Topics Name: __________________________

Similar Figures and Indirect Measurement

Chapter 8 TRIO review.

POSITIVE You can collect variables on either side …

12.3 Solving Equations with Variables on Both Sides

Presentation transcript:

Algebra I Chapter 1 Review

Salvador’s class has collected 88 cans in a food drive Salvador’s class has collected 88 cans in a food drive. They plan to sort the cans into x bags, with an equal number of cans in each bag. Write an expression to show how many cans there will be in each bag.

Expressions/equations Isabel reads 15 books from the library each month for y months in a row. Write an expression to show how many books Isabel read in all. Then, find the number of books Isabel read if she read for 12 months.

Solve –14 + s = 32

solve

Solve:

If 8y – 8 = 24, find the value of 2y.

Solve

equation: A video store charges a monthly membership fee of $7.50, but the charge to rent each movie is only $1.00 per movie. Another store has no membership fee, but it costs $2.50 to rent each movie. How many movies need to be rented each month for the total fees to be the same from either company?

Solve for x 4x - z = y

Solve for A.

Solve:

solve

FGHJK ~ MNPQR Find x.

An architect built a scale model of a shopping mall An architect built a scale model of a shopping mall. On the model, a circular fountain is 20 inches tall and 22.5 inches in diameter. If the actual fountain is to be 8 feet tall, what is its diameter?

On a sunny day, a 5-foot red kangaroo casts a shadow that is 7 feet long. The shadow of a nearby eucalyptus tree is 35 feet long. Write and solve a proportion to find the height of the tree.

A pipe is leaking at the rate of 8 fluid ounces per minute A pipe is leaking at the rate of 8 fluid ounces per minute. Use dimensional analysis to find out how many gallons the pipe is leaking per hour.