1.Cynthia, Peter, Nancy, and Kevin arre all carpenters. Last week each built the following number of chairs. Cynthia—36 Peter—45 Nancy—74 Kevin—13 What.

Slides:

Advertisements

Similar presentations

Add title Add a picture or a description. Question 1(True) Click to type your question here I have made this an easy True/false question true False Next.

Advertisements

Notes Over Circles Parts of a Circle Circumference Radius

2.8 Solving Linear Inequalities

Math Department Endeavour Primary School.  Purpose of workshop  Misconceptions and mistakes by topic: ◦ Whole Numbers (P5) ◦ Fractions (P5 and P6) ◦

Fractions and Rational Expressions

April 14, 2009 “Teach the children so that it will not be necessary to teach the adults.” ~Abraham Lincoln.

True/False. False True Subject May Go Here True / False ? Type correct answer here. Type incorrect answer here.

QWC questions Living expenses And Travelling. Instructions Check that you can do the maths! Try the mystery in pairs Then try the exam question on your.

Dividing Integers.

Business Math Assignment Press F5 to begin to playing this slide show.

Day 7 – Multiplying and Dividing Integers. 1.Multiply the numbers 2.Same signs, answer is positive. 3.Different signs, answer is negative. Rules for Multiplying.

Solving Inequalities by Multiplication & Division.

2.1 Day 3: Multiplying more than two integers

Prime Factorization.

K. Martin Chapter 4 & 5 Integers & One Step Equations Review JEOPARDY K. Martin.

Lesson 8-2 Dividing Monomials. Transparency 2 Click the mouse button or press the Space Bar to display the answers.

Numbers and Number Sense

Bell Ringer = – 5 = = ÷ -2 = =6. -7 – (-7) = After you have completed the bell ringer, take out your homework!

ORDER OF OPERATIONS x 2 Evaluate the following arithmetic expression: x 2 Each student interpreted the problem differently, resulting in.

Mark Arcaro Geometry High School  After Today’s Lesson I Can… ◦ Identify the different parts of a circle. ◦ Solve for the circumference of a circle.

1.Cynthia, Peter, Nancy, and Kevin arre all carpenters. Last week each built the following number of chairs. Cynthia—36 Peter—45 Nancy—74 Kevin—13 What.

Interesting Integers!. What You Will Learn Some definitions related to integers. Rules for adding and subtracting integers. A method for proving that.

Multiplying and Dividing Integers

Warm-Up Change each decimal to a fraction:

Long Division. We are going to try to solve 837 ÷ 27.

1. If Mark drives for 4 hours at 60 miles per hour and then drives another 6 hours at 40 miles per hour, what is his average speed, in miles per.

Prerequisite to chapter 5 Divisibility Rules: To determine the rules of divisibility.

Objectives You will be able to: 1.Add, subtract, multiply and divide integers. 2. Use the number line as a tool to help.

1.5 Solving Inequalities Remember the rules of solving inequalities.

Notes Over 2.8 Rules for Dividing Negative Numbers. ( Same as Multiplying ) If there is an even number of negative numbers, then the answer is Positive.

Carroll County Middle School October 23, 2009 Math Department Professional Development.

Divide Rational Numbers. Objective The student will be able to:

11-8 Dividing Integers Warm Up Warm Up Lesson Presentation Lesson Presentation Problem of the Day Problem of the Day Lesson Quizzes Lesson Quizzes.

Lesson 2-6 and 2-7 Multiplying and Dividing Rational Numbers Objective Students will be able to: 1. multiply rational numbers 2. divide rational numbers.

Multiply Positive and Negative Numbers August 26, 2015.

5 Minute Check Evaluate each expression if f = -6, g = 7 and h = 9. Complete on the back of your homework. 1. g h – ( -9) 3. f - g 4. g + h - f.

Monday, August 19, 2013 Write four terms of a pattern for each rule. a. odd numbers b. multiples of 4 c. multiples of 8.

Prime Numbers and Factoring. Which expression is equal to 4x6? (a) 2 × 2 x 2 (b) 2 × 3 × 4 (c) 4 × 5 × 3 (d) 6 × 6.

5 Minute Check Determine the missing digit to make the statement true. Complete on the back of your homework. 1. 6, ?59 is divisible by 3. 2.

Solving Algebra Equations Objective: To solve all kinds of algebra equations.

Applied Geometry Lesson: 5 – 3 The Percent Proportion Objective: Learn to solve problems by using the percent proportion.

Multiply and rational numbers Objective The student will be able to:

1.4 Solving Absolute Value Equations Evaluate and solve Absolute Value problems.

Prime Factorization. What is Prime Factorization? The process of converting a number into a product of prime numbers.

Monday, August 26 (left side of paper) Divisibility Patterns (right side of paper)

Winter Warm up There are 25 students in my class. 17 said they would go snow skiing this year, 20 said they would go to Universal Studios and 4 would not.

Notes 2.1 Order of Operations PEMDAS If an expression has only numbers and symbols, it is a numerical expression. If it has a variable it is a variable.

Math Tips and Tricks. Ballpark Narrow down the choices by estimating your answer. There are 600 school children in the Lakeville district. If 54 of them.

PERFORMING CALCULATIONS IN SCIENTIFIC NOTATION ADDITION AND SUBTRACTION.

Copyright©amberpasillas2010. You have learned lots of things about adding and subtracting integers. Let’s review addition !

Solving Algebra Equations

< > < < Solving Inequalities < < < >.

< > < < < < < > Solving Inequalities

Rule Exercises Status of the Ball Definitions and Rule 15

Look at the following number:

Factors, multiple, primes: Factors from prime factors

Solving Multiplication and Division Equations

< > < < < < < > Solving Inequalities

< > < < Solving Inequalities < < < >.

< > < < < < < > Solving Inequalities

Section 3.1 Study Materials

Year 5 Block 4- Multiplication and Division

Week 5 08 – 11 September 2015.

Solving Equations involving Decimal Coefficients

9-7 Dividing Integers Warm Up Problem of the Day Lesson Presentation

Year 2 Summer Term Week 11 Lesson 1

< > < < Solving Inequalities < < < >.

Factors, multiple, primes: Multiples

Year 2 Summer Term Week 11 Lesson 1

Because division is the inverse of multiplication, the rules for dividing integers are the same as the rules for multiplying integers. Dividing Integers.

Presentation transcript:

1.Cynthia, Peter, Nancy, and Kevin arre all carpenters. Last week each built the following number of chairs. Cynthia—36 Peter—45 Nancy—74 Kevin—13 What is the average number of chairs they built? A.39 B.42 C.55 D.59 E.63

How could number sense help you solve this problem?

2. There are 600 school children in the Lakeville district. If 54 of them are high school seniors, what is the percentage of high school seniors in the Lakeville district? A.2.32% B.0.9% C.9% D.11% E.90%

What are the three types of percentage problems your students will see?

3. Susan’s take-home pay is $300 per week, of which she spends $80 on food and $150 on rent. What fraction of her take-home pay does she spend on food? A. B. C. D. E.

What part of this problem will cause students to give a wrong answer?

4. Which of the following expresses the prime factorization of 54? A.9 x 6 B.3 x 3 x 6 C.3 x 3 x 2 D.3 x 3 x 3 x 2 E.5.4 x 10

What are the only two possibilities and why?

5. The number 1134 is divisible by all of the following except A. 3 B. 6 C. 9 D.12 E.14

What are some divisibility rules that help you here?

6. When is an integer? A.Only when a is negative B.Only when a is positive C.Only when a is odd D.Only when a equals 0 E.Only when a is even

A calculator would help students working the last problem. True False

7.On Friday, Jane does one-third of her homework. On Saturday, she does one-sixth of the remainder. What fraction of her homework is still left to be done? A. B. C. D. E.

What is it about this problem that assures lots of incorrect answers?

8.If the ratio of 2x to 5y is 1:20, what is the ratio of x to y? A.1:40 B.1:20 C.1:10 D.1:8 E.1:4

Work this problem three different ways.

9.If the area of circle A is 16π, then what is the circumference of circle B if its radius is one-half that of circle A? A.2π B.4π C.6π D.8π E. 16π

What percentage of your students will correctly answer that geometry problem?