28g. The volume of the object is 14cm3. Calculate the density.

Slides:



Advertisements
Similar presentations
Significant Figures. 1.All nonzero digits are significant. Example: 145 (3 sig figs) 2.Zeroes between two significant figures are themselves significant.
Advertisements

EXAMPLE 1 Multiplying Decimals decimal places + 2 decimal places 4 decimal places.
Liberal Arts Math. Objectives  By the end of this lesson, you  Can multiply decimal numbers without the use of a calculator.
What are the primes under 100?
Radical (Square Roots) Algebra I. What is a radical? An expression that uses a root, such as square root, cube root.
Warm Up #7 (Page 28) 10/9/2014 Round the following numbers to 2 significant figures (Write the question) 1) g 2) 124,000 m 3)1.25 cm Perform the.
Rule 1: When multiplying and dividing, limit and round to the least number of significant figure in any of the factors. Example 1: 39.0 mm X 385 mm X.
Significant Digits. Rules for Significant Digits.
Teacher Resources Needed for Lesson Copies of the following worksheets: – Rounding with Addition and Subtraction – Rounding with Multiplication and Division.
Significant Figure Notes With scientific notation too.
Let’s estimate when we multiply decimal fractions! This is one way to check our products.
Significant Figures. What is a significant figure? There are 2 kinds of numbers: 1. Exact : Known with certainty. Example: the number of students in this.
WARM UP Agenda Quiz Unit 1 Notes Unit 1-4 WS Unit 1 Density Work on online HW Homework Aug 28 – Online HW unit 1 Aug 31 - Test review WS Sept 2.
Percents as Fractions A. Express 40% as a fraction in simplest form. Answer:
Lesson 10-1: Factors & Greatest Common Factor (GCF)
Notes Over 7.1 no real 4th roots Finding nth Roots
Lesson 4-7 Example Example 1 Find 4.32 × Multiply the factors, ignoring the decimal points for now. 432 × 6 = 2592.
Warm up: Tuesday, Aug Get out Ch. 1.3 Notes, turn to 1.4, have out HW Set The density of an object was found by using water displacement. The.
Dividing a Decimal by a Decimal. Dividing Whole Numbers 12 ÷ 2 = 120 ÷ 20 = 1200 ÷ 200 = ÷ 2000 = Multiply both 12 and 2 by 10 Multiply.
Copyright©amberpasillas2010 Changing Fractions To Percents and Changing Decimals to Percents For today’s lesson get a calculator! TAKE OUT A CALCULATOR.
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.
Rounding (Decimal Places) Round each number to the given number of decimal places.
© Hamilton Trust Keeping Up Term 1 Week 6 Day 3 Objective: Place numbers with two decimal places on a line.
By Study Helper. Calculating Density The answer is volume, mass, or density Definitions
Bell Work Date SPI Density Select the best answer. Yes you may use a calculator (1) (2)
Crazy Crazy Toys by Patrick Gates Payton Gepp. Cube Description massVolumeDensity Cube A19g15.62cm31.21g/cm3 Cube B140g15.62cm38.96g/cm3 Cube C21g15.62cm31.34g/cm3.
Calculations Involving Density Calculating Density from Mass and Volume.
Accuracy, Precision and Significant Figures. Scientific Measurements All of the numbers of your certain of plus one more. –Here it would be 4.7x. –We.
Percentages Level 8.
1.4 Significant Figures in Calculations
Splash Screen.
Multiplying Decimals 3-6 & 3-7.
1 2 Find the unknown Find x in the following
Introduction to Chemistry Part 2
Finding the LCM and HCF using Prime Factor Decomposition
Warm up: Mass of Object g Volume of Water 12.5 mL
And Calculating with Significant Digits
QUESTION 1 Calculate x correct to 1 decimal place A B C D 8.1 cm
Measurements in Chemistry
Objectives The student will be able to:
Bell Work Find the measure of angle A Find x. A 7” 9” 30° 10” x.
Main Idea and New Vocabulary Key Concept: Volume of a Cylinder
Multiplying Decimals 3-6 & 3-7.
Course 2 Volume of Pyramids.
Key Concept 4.
Lesson 6 Square Keep Castles. Do Now: What do you think the different rooms/places in the castle were used for? Write down what you think.
Decimals: Multiplying decimals
#1 #2 #3 Solve: 21 ÷ Solve: Solve: 3 (7 + 4) 12 ÷ 3 – 2 + 1
Factors, Multiples, Primes: Product of prime factors
Significant Digits Calculations.
Significant Figures Practice Density Practice
Wipeout Cards = = = = = = = WIPEOUT! = = = 5 + =
Decimals: Multiplying by 2.5
Decimals: Multiply or divide by 0.5?
Compound measures: Density
LO: TBAT calculate a percentage of an amount using a calculator
Rounding: 1 Decimal Place
= x 2 = = 20 4 x 5 = = 16 4 x 4 = = 18 6 x 3 = = 12 2 x 6 = 12.
3.4 Density More Calculations!.
SUBSTITUTION At the end of this lesson you should :
LO: TBAT carry out an inquiry about fractions Title: Fractions Inquiry
Negative Numbers: Multiplying – Pattern spotting
Write 5  5  5  5 using an exponent. Name the base and the exponent.
Multiplying Decimals by Decimals
It’s the middle of the week!
Volume: Volume of a cone
A skill needed for today: Work out 10 −3
Trigonometric Equations
Decimals: Dividing decimals – pattern spotting
Maths Unit 1 (F) - Number Multiples Primes
Presentation transcript:

28g. The volume of the object is 14cm3. Calculate the density. Last Term The mass of an object is 28g. The volume of the object is 14cm3. Calculate the density. Last Lesson Write down the factors of 18 Last Week Round the following to 2 decimal places: 3.6712 Each letter stands for a different number. Work out what number each letter stands for.

LO: TBAT write numbers as product of their prime factors Title: Product of prime factors Key Words Prime numbers - Only have 2 factors Product - multiply Prime factor decomposition - method used for finding the prime factors

Your Turn Write 48 as a product of prime factors Example Express 24 as a product of prime factors

Questions Expectation Answer

Treasure Hunt In pairs, complete the treasure hunt around the room. Keep track of the card letters and the order in which you visit them.