M May 56 000 000 2 significant figures 450.0062 3 significant figures 378 000 27.30.005 32 to nearest 1000to nearest tenthto nearest hundred thousandth.

Slides:

Advertisements

Similar presentations

Significant Figures and Rounding

Advertisements

To the tens, hundreds and thousands

Rounding Quotients SWBAT round decimal quotients to the nearest tenth, hundredth, and thousandth.

to the nearest Write each (i) to the nearest ten

R ounding Nearest 10 Nearest decimal place The nearest whole number Correct to 2 dps Nearest 1000.

Calculations with Significant Figures

Do Now The speed of light is 300,000,000 m/s

TOPIC: Significant Figures Do Now: Round 9, to the… 1.Tenths 2.Ones 3.Hundreds 4.Thousandths 5.Thousands.

Notes Over 5 – 1 ____ ____ ____. ____ ____ ____ hundreds tens ones tenths hundredths thousandths Give the value of each digit One and thirty-sixhundredths.

Date: _____________Math 9/9H Place Value Which position is a digit of a number occupying? E.g.: is in the millions place 9 is in the hundred.

Rounding Decimals Review and Multiplying Decimals

Rounding Off Decimals.

I II III I. Using Measurements CH. 2 - MEASUREMENT.

How many significant figures?

Significant Figures Suppose we are measuring the length of an object with a meter stick. When using a measuring device, always estimate to the nearest.

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.

Place Value and Estimation

4.158 Accuracy = Precision = Round to 3 significant figures 4 digits thousandths 4.16.

Review the following vocabulary words for your recovery quiz tomorrow Matter Chemistry Volume Mass Weight Organic chemistry Measurement Accuracy Precision.

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Estimate with pictures Round to nearest hundred Round to nearest thousand Add / subtract & estimate.

Mastery of Significant Figures, Scientific Notation and Calculations Goal: Students will demonstrate success in identifying the number of significant figures.

Complete and Check Answers Before Doing Other Activities

Rounding Whole Numbers Rounding Decimals Whole Number Estimation Decimal Estimation * Click the star on the desired box first and then click the box itself.

CONFIDENTIAL1 Grade 5 Adding & Subtracting Decimals.

$100 $200 $300 $400 $100 $200 $300 $400 $300 $200 $100 Multiply by 1 digit numbers Multiply & estimate results Multiply by 2 digit numbers Multiply.

Significant Figures. Significant Figures One sig fig One sig fig Two sig figs One sig fig One sig fig One sig fig four sig figs.

Accuracy vs. Precision. Calculations Involving Measured Quantities The accuracy of a measured quantity is based on the measurement tool. The last digit.

LO: to round to the nearest 10 Which ten is the following number nearest to?

Mastery of Significant Figures, Scientific Notation and Calculations Goal: Students will demonstrate success in identifying the number of significant figures.

Mathsercise-C Rounding Ready? Here we go!. Estimate the value of: 1 Rounding x 7.85 Answer Question 2 Round each number to a sensible figure.

Rounding To 1,2 or 3 Significant Figures. Significant Figures ImportantNumbers A significant number is any number that is not zero. Zero is only significant.

Review Mathematics Skills Lesson R.1 Rounding.  Place Value – The name given to the location a digit occupies in a number. This location identifies the.

LESSON Rounding Decimals. To round decimals we need to understand two key points: 1. Decimal Place Value 2. Strength of Numbers.

Adding, Subtracting, Multiplying and Dividing with Sig Figs.

Part 2 Significant Figures with Calculations

Significant Figure Rules

Place Value/ Rounding Lesson #1.

ROUNDING 54 ______ 26 ______ 39 ______ 13 ______ 99 ______ 07 ______

36 LO: to round to the nearest 10

Review of yesterday… How many sig figs are in the following? 0.02

÷ 10 Millions Thousands Ones Hundred Millions Ten Millions Hundred Thousands Ten Thousands Hundreds Tens.

Adding & Subtracting Decimals

Objective - To round whole numbers.

Significant figures.

4 3 9 H T U What is the most significant figure in

Round to the nearest 100.

(sig figs if you’re cool)

1.6 – Calculating with Significant Figures

Rounding Review Tens and Hundreds

Rounding Review Tens and Hundreds

Significant Figures

Significant Figure Review

Rounding and estimating: Upper and Lower Bounds (sig figs)

Multiplying and dividing

Rounding Review Tens and Hundreds

Review of Essential Skills:

Comparing and Ordering Decimals

Test Review Number your paper 1-17

How many sig figs are in each of the

Significant Figures.

Multiplying and dividing

Decimals Year 6 (age 10-11).

Decimals Year 5 (age 9-10).

Decimals Year 5 (age 9-10).

Convert to scientific notation

Rounding and estimating: Upper and Lower Bounds (sig figs)

Presentation transcript:

M May significant figures significant figures to nearest 1000to nearest tenthto nearest hundred thousandth to 1 dec pl to 5 dec pl to nearest million to nearest whole to 4 dec pl 56.0 to nearest tenth 3050 to nearest ten to 5 dec pl significant figures to 3 dec pl

M May Round each of the following to 3 significant figures Round each of the following to 2 sig fig

M May 300= 3 x = 4.26 x = 6.7 x =5.43 x = x 10 5 Write each of the following in standard form : = 2.73 x 10 3 = 3.59 x 10 1 = x 10 4 = 4.67 x 10 2 = 1 x 10 6 = x 10 4 = 7.06 x 10 1 = 3.77 x 10 2 = 7.3 x 10 0 = 4 x 10 0

M May Write in full: 4.23 x x x x x x 10 4 Small numbers: ……. 2 x x x x x x =6.4 x 10 = = 532= = 2 100= 5.2= = 4.7 x

M May Write in Standard FormWrite in full x x x x 10 0 = x 10 4 = 4.73 x = 5.72 x 10 0 = 6.82 x = = 250 = = 4

M May EE or Exp on scientific calculator in place of x 10 n on display means 5.3 x x 10 3 x 2.7 x 10 4 = 5.3 Exp 3 x 2.7 Exp x x 10 3 x 3 x 10 4 = 5 x 3 x 10 3 x 10 4 = 15 x 10 7 = 1.5 x 10 x 10 7 without calculator / estimate 2.83 x 10 2 x x 10 3 estimate3 x 9 x 10 2 x x 10 5 = 2.7 x 10 6 = x 10 6 = 2.59 x 10 6 to 3 sig fig = 1.5 x 10 8

M May Estimate first, then calculate, round your final answer to 3 sig fig: 4.27 x 10 2 x x x 10 3 x x x x x x 10 5 x x x 10 8 x x x 10 1 x x x x x x x x 10 3 = 4 x 2 x 10 2 x 10 5 = 8 x 10 7 = 2 x 3 x 10 8 x 10 7 = 6 x = 8 x 6 x 10 3 x 10 2 = 48 x 10 5 = 4.8 x 10 6 = 8 x 5 x 10 1 x 10 5 = 40 x 10 6 = 4 x 10 7 = 3 x 2 x x = 6 x = 72 x = 7.2 x = 6 x 10 2 = 28 x = 2.8 x = x 10 7 = 9.12 x 10 7 = x = 6.66 x = x 10 5 = 4.73 x 10 6 = x 10 6 = 39.2 x 10 6 = x = 5.23 x = x = 7.01 x = x 10 2 = 5.30 x 10 2 = x = 2.99 x 10 -2