Review for Inv. 1 Quiz! ABCD cards .

Slides:



Advertisements
Similar presentations
Write Proportions. Sue needs 9 cups of flour to make 16 batches of cookies. How much flour does she need if she only wants to make a fourth of her recipe.
Advertisements

Pre-Algebra Monday August 25. Learning Target I will be able to recognize and represent proportional relationships between quantities.
Solve word problems involving ratios and rates. 1)Identify the ratio 2)Identify the units of measurements 3)Solve by simplifying the ratio into a per.
SOLVING EQUATIONS WITH VARIABLES ON BOTH SIDES
7.1 The Meanings of Ratio, Rate, and Proportion
Proportion Practice #1. Question A n x 6 Question B n x 5.
Quarter 1 Review MSM-1 Mayfield Woods Middle School.
Do Now 2/24/11 Take out HW from last night. Take out HW from last night. Text p. 272, #10-36 evens, #44, & #47 Text p. 272, #10-36 evens, #44, & #47 Copy.
Objective - To use proportions to solve problems.
How do you solve word problems involving subtraction of fractions? much turkey does he have left? Allen bought of a pound of turkey at the store. He used.
Created by: Mrs. Dube.  Rate – a ratio that compares two quantities measured in different units  Ex. miles/per hour  Unit rate – a rate whose denominator.
Mixed BagUnit RatesProportionsRatios $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100.
Solving Proportions. EXAMPLE 1 Solve the proportion x =. Solving Proportions METHOD - Use equivalent ratios x = X 5 = 60,
Numeracy Quiz Ratio and proportion Starter - Brain Trainer Follow the instructions from the top, starting with the number given to reach an answer at.
 A ratio compares two things.  It can compare part to part, a part to the whole, or the whole to a part.  The word “to” compares the two terms in a.
Ratio, Rate, Proportion, and Percent. Ratio  Comparison of two numbers by division  Can be written three different ways 4 to 9 4 :
Ratios and Proportions Test Review. A remote control car can travel at a rate of 30 feet per minute. How many feet per second is this?
Do Now 1/4/12 Take out HW from last. Take out HW from last. Text p.152, #6-24 evens, 27, 31, & 32 Text p.152, #6-24 evens, 27, 31, & 32 Copy HW in your.
Question 1 The recipe for chocolate chip cookies requires 2 cups of chocolate chips for every 6 cups of flour. What is the ratio of chocolate chips to.
1. The Jelly Junior High school color is made by mixing red paint with yellow paint. The ratio of red to yellow is 3 to 5. How much red paint should be.
2nd Nine Weeks Practice Problems. Question 1 Simplify:
Objective - To use proportions to solve problems. If it takes 8 cups of flour to make 48 cookies, how many cookies can be made with 12 cups? Let x = the.
WARMUPS OCTOBER 13-17, MONDAY, OCTOBER 13, 2014 Change these percents to decimals % %3. 3% Multiply—Remember your decimal rules
Question 1 The recipe for chocolate chip cookies requires 3 cups of chocolate chips for every 8 cups of flour. What is the ratio of chocolate chips to.
MATH-a-licious Monday! 1. Change group roles. 2. Warm Up: Workbook p. 34 (#5 a-e) Show your work! Find BOTH “x” and “y” Use either scale factor or ratios.
Percent Word Problems Mrs. Kuznia Math 8 Day 12. Word Problems  To solve word problems with percents? –we are going to set up a proportion to solve.
What does it mean when a recipe uses a ratio like “2 eggs for every 3 cups of flour”?
Solve Proportional Relationships. CROSS PRODUCT RULE In the proportion =, the cross products, a · d and b · c are equal. abab cdcd EX 1) =
RP Unit 1a: Ratios & Proportional Reasoning. Greatest Common Factor A factor is a number that you multiply by another number to get a product. Example:
Pre-Algebra Problem 1.2 THURSDAY AUGUST 21 AND FRIDAY AUGUST 22.
Comparing & Scaling Unit: 1.2 Comparing Ratios 1) Learning Target: To compare mixtures I can write part-to-part and part-to-whole ratios. Homework: 1)
Solving Percent Problems with Proportions Section 7.3.
Week-5_Ratios, Proportions, and Percent. Topic: Word problem on mixed number proportions.
1. Simplify each side SOLVING EQUATIONS WITH VARIABLES ON BOTH SIDES 2. Get rid of variable on right side 3. Solve two step equation Get rid of parentheses,
Terra Alta/East Preston School Presents Proportions.
Quick Start Expectations 1.Fill in planner and HWRS HW: CS p # On desk: textbook, calculator, journal, HWRS 3.Warm Up:
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 1-step Equations 2-step Equations.
Find two ratios that are equivalent to each given ratio , , , , Possible answers:
Daily Warm-Ups MA8 Tuesday, November 17 th : #1Solve. 2x – 4 + 4x = 14 #2 Simplify. 2y + 3x – 4y + 4 – x #3 Find the slope of the line that passes through.
Week Day 7 1 Daniel's recipe for 24 cookies calls for 2 1/2 cups of flour. How much flour will Daniel need to make 60 cookies? A. 1 cup B. 6 1/4 cups.
Do NOW n = 21 9t of cocoa 1. Solve for n. 5 = 15 7 n
Chemistry 16.3.
October 1, 2012 Ratios and Proportions
Year 1 Autumn Week 5 Maths Part whole model NCLO: To represent and use number bonds and related subtraction facts within 10.
A ratio compares two things.
Ratio and Proportion Review
A ratio compares two things.
Do NOW n = 21 9t of cocoa 1. Solve for n. 5 = 15 7 n
Module 1 Lesson 11 Comparing Ratios Using Ratio Tables
Comparing & Scaling Unit: 1.3 Comparing Ratios
Ratio and Proportion Review
7 Math – Ratios and Rates.
Scale and use scale drawings to solve problems.
Proportions and Percent Equations
Comparing & Scaling Unit: 1.2 Comparing Ratios
A percent, a whole, and a part
3.6 Cross Products.
On Desk: Pencil Math Journal New Learning Log Learning Log:
Enlarging Pictures I have a regular 4” x 6” picture of my boys that I would like to enlarge and hang in my family room. I would like the new length to.
Proportional Reasoning
Solving Percent Problem with Equations (7.2) Proportions (7.3)
Find Percent Given a Part and a Whole Using the Percent Proportion
Comparing and Scaling Develop students ability to make intelligent comparisons of quantitative information using ratios, fractions, decimals, rates, unit.
Tina says that 6:8 is equivalent to 36:64. What did Tina do wrong?
Lesson A ratio is the comparison of two quantities by division. We also, learned about proportions. A proportion states that 2 ratios are equal.
Unit 5. Day 7..
New Unit: Comparing and Scaling
Solve each situation by making a ratio table of values.
What is a “ratio”? How do you write a ratio?
Investigation 1.2 – Comparing ratios
Presentation transcript:

Review for Inv. 1 Quiz! ABCD cards 

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. What percent is concentrate? A 33.3% B 25% C 66.7% D 75%

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. What percent is concentrate? A 33.3% B 25% C 66.7% D 75%

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of water. What percent is concentrate? A 33.3% B 25% C 20% D 80%

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of water. What percent is concentrate? A 33.3% B 25% C 20% D 80%

Orange juice is made using a recipe of 3 cups of water to 1 cup of concentrate. What is the ratio of water to juice? A 1:3 B 2:3 C 3:4 D 1:4

Orange juice is made using a recipe of 3 cups of water to 1 cup of concentrate. What is the ratio of water to juice? A 1:3 B 2:3 C 3:4 D 1:4

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. What scale factor is needed to make 52 cups of juice? A 10.5 B 10.4 C 13 D 17.3

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. What scale factor is needed to make 52 cups of juice? A 10.5 B 10.4 C 13 D 17.3

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. Is this a part-to-part or part-to-whole ratio? A part-to-part B part-to-whole

Orange juice is made using a recipe of 1 cup concentrate to 4 cups of juice. Is this a part-to-part or part-to-whole ratio? A part-to-part B part-to-whole

A recipe uses 1¾ cups of flour to make 24 cookies A recipe uses 1¾ cups of flour to make 24 cookies. How much flour is needed to make 72 cookies?

A recipe uses 1¾ cups of flour to make 24 cookies A recipe uses 1¾ cups of flour to make 24 cookies. How much flour is needed to make 72 cookies?

A recipe uses 1¾ cups of flour to make 24 cookies A recipe uses 1¾ cups of flour to make 24 cookies. What scale factor is needed to make 72 cookies? (Hint: How many batches?) A 3 B 4 C 0.33 D 41.1

A recipe uses 1¾ cups of flour to make 24 cookies A recipe uses 1¾ cups of flour to make 24 cookies. What scale factor is needed to make 72 cookies? (Hint: How many batches?) A 3 B 4 C 0.33 D 41.1

Solve the proportion: A n = 4.6 B n = 3.5 C n = 5 D n = 1.75

Solve the proportion: A n = 4.6 B n = 3.5 C n = 5 D n = 1.75

Solve the proportion: A x = 1.2 B x = 0.7 C x = 4.3 D x = 4.5

Solve the proportion: A x = 1.2 B x = 0.7 C x = 4.3 D x = 4.5

Solve the proportion: A n = 3 B n = 0.33 C n = 0.17 D n = 1

Solve the proportion: A n = 3 B n = 0.33 C n = 0.17 D n = 1

Solve the proportion: A b = 0.30 B b = 0.9 C b = 1.1 D b = 3.3

Solve the proportion: A b = 0.30 B b = 0.9 C b = 1.1 D b = 3.3

Pick the correct symbol to make the math sentence true: A = B > C <

Pick the correct symbol to make the math sentence true: A = B > C <

Which scale (ratio of lengths) below is INCORRECT?

Which scale (ratio of lengths) below is INCORRECT?

The ratio of girls to students in a school is 2 : 5 The ratio of girls to students in a school is 2 : 5. The school has 270 girls. How many boys are there? A 162 B 675 C 108 D 405

The ratio of girls to students in a school is 2 : 5 The ratio of girls to students in a school is 2 : 5. The school has 270 girls. How many boys are there? A 162 B 675 C 108 D 405

The Rawlins family has travelled 600 km on their vacation The Rawlins family has travelled 600 km on their vacation. This has taken them 8 hours. If they continued at the same rate, how long will it take them to complete their journey if the total distance to be travelled is 2100 km? A 15.75 hours B 28 hours C 23.75 hours D 20 hours

The Rawlins family has travelled 600 km on their vacation The Rawlins family has travelled 600 km on their vacation. This has taken them 8 hours. If they continued at the same rate, how long will it take them to complete their journey if the total distance to be travelled is 2100 km? A 15.75 hours B 28 hours C 23.75 hours D 20 hours