Rounding Estimation Large Numbers (not on test) Place Value Exponents $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500

C1 final FINAL JEOPARDY Explain how to solve the problem below using complete sentences. Martha is on her way to the mall to buy some new school clothes. She has $100.00 in her purse. Martha wants to buy sneakers for gym class that cost $85.23, she also wants a new shirt for the first day of school that costs $14.66. What should she do to decide if she has enough money? Should she round each price or should she estimate? Give an approximate answer.

Answer to Final Jeopardy C1 final Answer to Final Jeopardy

The eight is in the ______ place? 27,645.81

C1 $100 Tenths place

In your own words what is the definition of Place Value?

A digit in a specific location of a number

The 2 is in the ___ ______ place. 27,645.8152 The 2 is in the ___ ______ place.

The 2 is in the ten thousandths place. 27,645.8152 The 2 is in the ten thousandths place.

What is the place value of each yellow number? 20,123,642,000.7

C1 $400 0 billions 3 millions

C1 $500 Create a number that includes a number in the hundred millions & read it.

C1 $500 100,000,000

6 ² What is the base number? What is the exponent? C2 $100 6 ² What is the base number? What is the exponent?

C2 $100 Base number – 6 Exponent - ²

3 ● 3 ● 3 Is equivalent to what? C2 $200 3 ● 3 ● 3 Is equivalent to what?

C2 $200 3 ³ OR 27

When solving using __________ ___________, it looks like this: C2 $300 9² When solving using __________ ___________, it looks like this: 9 ● 9

repeated multiplication 9² When solving using repeated multiplication it looks like this: 9 ● 9 C2 $300

C2 $400 Solve: 3º

C2 $400 3º= 1

Which answer is greater, 7² or 2 to the 7th power? Explain

C2 $500 7² = 7 ●7 = 49 2= 2 ● 2 ● 2 ● 2 ● 2 ● 2 ● 2 = 128

In your own words what is the definition of rounding? C3 $100 In your own words what is the definition of rounding?

An approximate answer, the specific place value is given.

Round to the nearest ones place. - How do you know, besides the fact that is says round, that this question is asking to round?

The question is asking to round to a specific place value.

Round to the nearest hundredth. C3 $300 Round to the nearest hundredth. 254.17389

C3 $300 254.17000 OR 254.17

when 23.897 rounded to the nearest whole number is 20 C3 $400 TRUE OR FALSE….. when 23.897 rounded to the nearest whole number is 20 EXPLAIN!

FALSE- whole number is another way of saying round to the ones place. 24

C3 $500 After looking at rounding and estimation would you say they are more similar or different? Give at least 2 examples to support answer.

Don’t get an exact answer Similar Don’t get an exact answer Number changes 5 or greater round up, less than 5 round down Different Estimation is easier numbers to work with Rounding is more accurate and gives you a specific place value C3 $500

In your own words what is the definition of estimation? C4 $100 In your own words what is the definition of estimation?

C4 $100 An approximate answer that uses “easier” numbers that are close in value.

C4 $200 Estimate 23.2 ● 3.5

C4 $200 Possible Answers: 23 ● 4 = 92 20 ● 4 = 80

C4 $300 Estimate 346 ÷ 72

C4 $300 350 ÷ 70 =5

C4 $400 Estimate: 24.1234 – 6.54= 12.533 + 5.431=

Possible Answers: 20-7=13, 24-6=18 12+5=17, 10+5=15 C4 $400 Possible Answers: 20-7=13, 24-6=18 12+5=17, 10+5=15

C4 $500 Which is more accurate rounding or estimation? Explain your answer in a complete sentence.

Rounding is more accurate because you are asked to round to a specific place value. Estimation is a number close in value but easier to solve. C4 $500

Define standard notation. C5 $100 Define standard notation. Give an example.

When a number is written as a number. C5 $100 When a number is written as a number. Example: 200,000

Define number-and-word notation. Give an example. C5 $200 Define number-and-word notation. Give an example.

When a number is written using numbers and words. C5 $200 When a number is written using numbers and words. Ex: 1.2 billion

Convert to standard notation, 1.2 million

C5 $300 1,200,000

Convert to number and word notation 300,000

C5 $400 .3 million

Convert to number-and-word notation 2,123,000,000,000

C5 $500 2.123 trillion

Now use this information to study for your 1-1 through 1-3 Quiz!!! This Jeopardy game was created by Mrs. Nelson