Mathsercise-C Ready? Ratio Here we go!.

Slides:

Advertisements

Similar presentations

Equations & Brackets.. You are now going to solve more complex equations by combining together two ideas that you have seen already. Try the following.

Advertisements

Solving Systems of Linear Equations

Another method for solving systems of equations is elimination

Type your question here. Type Answer Type your question here. Type Answer.

Splash Screen. Then/Now You have already solved real-world problems using the percent equations. (Lesson 7–5) Find percent of increase and decrease. Solve.

Ways to Check for Divisibility Dividing By 1 All numbers are divisible by 1.

To add GST…. To add GST multiply by 1.15 the 1 is for the original amount, the.15 is 15% GST Eg: $50 plus GST = 50 X 1.15 = 57.5 giving the answer of.

Solving by Elimination Example 1: STEP 2: Look for opposite terms. STEP 1: Write both equations in Standard Form to line up like variables. STEP 5: Solve.

3-2 Day 2 Solving Systems Algebraically: Elimination Method Objective: I can solve a system of equations using the elimination method.

Elimination Method: Solve the linear system. -8x + 3y=12 8x - 9y=12.

Multiplication Facts X 3 = 2. 8 x 4 = 3. 7 x 2 =

Percent of Change. What is Percent of Change? Percent of change = amount of change original amount It also = last – first first.

Reverse Subtraction Objectives:  do a subtract by adding  check your answer by adding.

Mathsercise-C Ready? Quadratics Here we go!.

Ratio Ratio is a way of comparing amounts of something. It shows how much bigger one thing is than another. There are two aspects that we will look at.

John wanted to start an organization to stop seal clubbing in Canada. At first, there were only 5 members, but the number grew at a rate of 27% every year.

Mathsercise-C Ready? Money Here we go!.

Blank Jeopardy Blank blank

3x + 2 6x3 - 5x2 – 12x – 4 2x2 – 3x – 2 6x3 + 4x2 -9x2 – 12x -9x2 – 6x

Terminating and Repeating Decimals

Mathsercise-C Ready? Percentages 1 Here we go!.

Do-Now 1. x = ANSWER (6x + 3) = ANSWER 3

Mathsercise-C Ready? Standard Form Here we go!.

Mathsercise-C Ready? Inequalities Here we go!.

Mathsercise-C Ready? Equations 2 Here we go!.

How Well Can You Measure?

Mathsercise-C Ready? Expressions 2 Here we go!.

Click here for the answer. Click here for the answer.

Click here for the answer. Click here for the answer.

Multiply a Teens Number

Click here for the answer. Click here for the answer.

Twenty Questions Subject:.

3-8 PRESENT VALUE OF INVESTMENTS

Type Topic in here! Created by Educational Technology Network

סדר דין פלילי – חקיקה ומהות ההליך הפלילי

Fractions, Decimals & Percentages

Mathsercise-C Ready? Factorise Here we go!.

Mathsercise-C Ready? Equations 1 Here we go!.

Add or Subtract? x =.

PRIME FACTORIZATION USING FACTOR TREES!.

Notes Solving a System by Elimination

Notes Solving a System by Elimination

Solving One and Two Step Equations

Solving One Step Equations

Click here to have another go.

Twenty Questions Subject:.

YOUR text YOUR text YOUR text YOUR text

Twenty Questions Subject:.

Solve the linear system.

You must show all steps of your working out.

Solve the equation x = ANSWER (6x + 3) =

Twenty Questions Subject:.

Twenty Questions Subject:.

Twenty Questions Subject:.

Get ready... What word comes next?

Twenty Questions Subject:.

Add Main Topic Here Created by Educational Technology Network

Twenty Questions Subject:.

Mathsercise-C Ready? Substitution Here we go!.

Warm-Up Problems Unit 0.

Welcome to Who Wants to be a Winner?.

Twenty Questions Subject:.

Twenty Questions Subject:.

Click here to have another go.

(Type Answer Here) (Type Answer Here) (Type Answer Here)

Presentation transcript:

Mathsercise-C Ready? Ratio Here we go!

Check the total values add back to the original amount! Share £250 in the ratio 3:7 3 + 7 = 10 Question 2 250 ÷ 10 = £25 3 x £25 = £75 Add the parts of the ratios together to find out how many “shares” there are Check the total values add back to the original amount! 7 x £25 = £175 Answer £75:£175 1 Ratio

2 Ann and John share £140 in the ratio 2:5. How much does Ann receive? Question 3 2 + 5 = 7 So Ann receives £40 £140 ÷ 7 = £20 Answer 2 x £20 = £40 5 x £20 = £100 2 Ratio

3 Andy, Belinda and Carl share £126 in the ratio 5:3:1. How much does Belinda get? Question 4 5 + 3 + 1 = 9 £126 ÷ 9 = £14 So Belinda receives £42 Answer 5 x £14 = £70 3 x £14 = £42 1 x £14 = £14 3 Ratio

When Bill reached his 100th birthday he had 12 grand-daughters and 20 grandsons. Write down the number of grand-daughters to the number of grandsons as a ratio in its simplest form Start 12 : 20 Answer 6 : 10 3 : 5 4 Ratio