333 4 4 5 4 55 6 6 6 7 77. _ + 7 = 11. Which number is missing? Answer = 4.

Slides:

Advertisements

Similar presentations

Solving Equations = 4x – 5(6x – 10) -132 = 4x – 30x = -26x = -26x 7 = x.

Advertisements

Do now: These cuboids are all made from 1 cm cubes

Do Now: Use elimination The sum of two numbers is 20. Their difference is 4. Find the numbers. Answer: 12 and 8 (11/3, 2/3)

Order of Operations. Learning Goals Understand that an expression is a mathematical statement with numbers and operations. (x, +, -, ÷) Use the correct.

Review for Quarter 3 Test 2

Using and applying mathematics Sequences & Formulae Year 10.

Logarithm Jeopardy The number e Expand/ Condense LogarithmsSolving More Solving FINAL.

WordDefinitionExample Equation A mathematical statement that says two expressions are equal Inequality A mathematical statement that compares two expressions.

CHAPTER 7-1 SOLVING SYSTEM OF EQUATIONS. WARM UP  Graph the following linear functions:  Y = 2x + 2  Y = 1/2x – 3  Y = -x - 1.

Section 6.3: Polar Forms & Area. (x,y) 3 Polar Coordinates.

Learning outcomes You must be able to …….. Recall facts and ideas that have been covered this year using old books (examples) for support Extend your learning.

I CAN APPLY PROPERTIES OF LOGARITHMS. Warm-up Can you now solve 10 x – 13 = 287 without graphing? x ≈ 2.48.

Lesson 5-7 Example Solve. AGE Jada is 36 months younger than her brother Theo. Theo is 192 months old. How old is Jada in years? UnderstandRead the.

Linear Equations Learning Outcomes

Algebra Basics.

 What is Algebraic Expressions and how do I solve them?

$200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 Solve It! More Translations.

Pre-Algebra Unit 1 Review. Unit 1 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.

Lesson 2.7 AIM: How to find the slope and equation of a line using two points.

Find the value of y such that

Exit ticket Title How I feel about this work: Name: Date:

Warm up Simplify: -(2x + 3) + 4(x + 2) A – 2 – ( 3 + a) Solve: 13m – 22 = 9m -6.

Pre-Algebra Chapter 2 Review. Chapter 2 Review 1)Name the property demonstrated. a) a + b = b + a b) a(b + c) = ab + ac.

Solving Quadratic Equations – Quadratic Formula The following shows how to solve quadratic equations using the Quadratic Formula. A quadratic equation.

XXXV. Variables and Expressions XXXVI. Translate Between Words & Math XXXVII. Solving Subtraction Equations XXXVIII. Solving Addition Equations XXXIX.

Lesson 2 Contents Example 1Solve a Two-Step Equation Example 2Solve Two-Step Equations Example 3Solve Two-Step Equations Example 4Equations with Negative.

Solving Equations Using more than one step!!! Simplify one or both sides of the equation! Use inverse operations to get variable alone! Remember:

Rearrange the formula to make a the subject b = 5a + 21 b – 21 = 5a b – 21 = a -21 ÷5 5 This means we want to rearrange the formula so it says a = Our.

4.8 “The Quadratic Formula” Steps: 1.Get the equation in the correct form. 2.Identify a, b, & c. 3.Plug numbers into the formula. 4.Solve, then simplify.

Solve using mental math.

$200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 Solve It! More Translations.

Copyright © 2008 Pearson Education Canada2-1 Chapter 2 Review of Basic Algebra Contemporary Business Mathematics with Canadian Applications Eighth Edition.

Year 7 Algebraic Expressions Dr J Frost Last modified: 4 th May 2016 Objectives: Appreciate the purpose.

Solving Equations With Variables on Both Sides Objective: Solve equations with the variable on each side and solve equations involving grouping symbols.

1-2 Simplifying Expressions. Free powerpoints at

Opener: Find three consecutive odd integers whose sum is -63 Integer #1 = n Integer #2 = n + 2 Integer #3 = n + 4 (n) + (n + 2) + (n + 4) = -63 3n + 6.

Warm Up You need your calculator and acti-vote 1.-3(4x – 8) +7(-4 + 3x) 2.-4(2n + 3) – 2(1 + 2n)

8-1 Midpoint and Distance Formulas

Coordinate Geometry in the (x,y) plane.

1-2 Simplifying Expressions.

Algebraic Expressions

Brackets Next Page.

Solving Multi-Step Equations

Solving Equations with the Variable on Each Side

Complete the missing numbers using the inverse.

SOLVING QUADRATIC EQUATIONS USING THE FORMULA

Find all solutions of the equation

Find 4 A + 2 B if {image} and {image} Select the correct answer.

Find sin 2x, cos 2x, and tan 2x from the given information: {image} Select the correct answer:

What is an equation? An equation is a mathematical statement that two expressions are equal. For example, = 7 is an equation. Note: An equation.

Objective- To find the opposite of a sum or difference.

Objective- To find the opposite of a sum or difference.

Problem Solving.

Speed & Velocity.

Math unit 1 review.

Must Do (8/29) – (-7) 8 – 12 (-7) + (-4)

Who Wants to be an Equationaire?. Who Wants to be an Equationaire?

LINEAR EQUATIONS.

10/10/ Bell Work Write and answer the following questions.

Work out (if you can, simplify your answer) 8 6.

LEAVING CERT ALGEBRA SUMMARY OF THE SECTIONS IN L.C. ALGEBRA NOTES

Use power series to solve the differential equation. y ' = 7xy

LINEAR EQUATIONS.

Grade 6 Patterning and Algebra Unit

Equations Reducible to Quadratic

L5-7 Objective: Students will be able to solve quadratics by using the quadratic formula.

Solving Equations Challenge Answers

Complete the family of four

Solving Linear Equations

Presentation transcript:

_ + 7 = 11. Which number is missing? Answer = 4

__ x 4 = 24 Which number is missing? Answer = 6

2, 7, 9, 5, 10 Which of these numbers is correct for 3 x ___ > 20? Answer = 7 or 9 or 10

378 – 183 = 195 Rearrange these numbers to make an addition sum. Answer = = 378

23 x 34 = 782 Rearrange these numbers to make a division sum. Answer = 782 ÷ 34 = 23 or 782 ÷ 23 = 34

21, 33, 27, 39 Make a statement, using a symbol and a word, to say something that all of these numbers have in common. >20 or <40

If Tessa is m years old and her brother is 4 years younger than her, what is his age? Answer = m-4

Simplify 3x-2y + x+y Answer = 4x-y

Solve 3d-7 = d + 5 Answer : d = 6

Solve 4y + 3 = 2y-11 Answer: y = -7

Solve this equation: x 3 - x = 6 Answer: x = 2

The surface area of a container is given by the formula A = πr(r + 2h). If π = 3.14, r = 5 and h = 3, calculate the value of A A = 78.5

Remove brackets and simplify (2g + 3)(g – 5) 2g 2 -7g-15

Find the values of x and y such that x - 2y = 7 and 5x + y = 13 x = 3, y = -2