Do Now Ana Maria has applied for United States citizenship. She has studied American history and...

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Transcript of Do Now Ana Maria has applied for United States citizenship. She has studied American history and...

Do NowDo NowAna Maria has applied for United States Ana Maria has applied for United States citizenship. She has studied American history citizenship. She has studied American history and government for a long time and thinks she and government for a long time and thinks she is ready to take the citizenship test. When she is ready to take the citizenship test. When she took the practice test online she answered forty-took the practice test online she answered forty-eight questions correctly and only missed five. eight questions correctly and only missed five. What percent of the questions did she get right? What percent of the questions did she get right? (round to the nearest whole percent)(round to the nearest whole percent)

Do NowDo NowAna Maria has applied for United States Ana Maria has applied for United States citizenship. She has studied American history citizenship. She has studied American history and government for a long time and thinks she and government for a long time and thinks she is ready to take the citizenship test. When she is ready to take the citizenship test. When she took the practice test online she answered forty-took the practice test online she answered forty-eight questions correctly and only missed five. eight questions correctly and only missed five. What percent of the questions did she get right? What percent of the questions did she get right? (round to the nearest whole percent)(round to the nearest whole percent)

91%91%

Do NowDo Now48 correct48 correct

+5+5 incorrect incorrect

53 total problems53 total problems

Divide = .90566(rounded) = 91%Divide = .90566(rounded) = 91%

4848 correct correct53 (as a fraction)53 (as a fraction)

4848 5353

Multiplying/Dividing IntegersMultiplying/Dividing IntegersIf the signs are the If the signs are the samesame, your answer , your answer is is positivepositive::

Ex. 4(5) = 20Ex. 4(5) = 20Ex. -7(-3) = 21Ex. -7(-3) = 21

Multiplying/Dividing IntegersMultiplying/Dividing IntegersIf the signs are the If the signs are the samesame, your answer , your answer is is positivepositive::

Ex. 4(5) = 20Ex. 4(5) = 20Ex. -7(-3) = 21Ex. -7(-3) = 21

If the signs are If the signs are differentdifferent, your answer is , your answer is negativenegative::

Ex. 8(-2) = -16Ex. 8(-2) = -16Ex. -10(6) = -60Ex. -10(6) = -60

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) =Ex. 12(2) =Ex. 15(-6) =Ex. 15(-6) =Ex. -8(-8) =Ex. -8(-8) =Ex. -4(20) =Ex. -4(20) =Ex. 56 ÷ 7 =Ex. 56 ÷ 7 =Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) =Ex. 15(-6) =Ex. -8(-8) =Ex. -8(-8) =Ex. -4(20) =Ex. -4(20) =Ex. 56 ÷ 7 =Ex. 56 ÷ 7 =Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) =Ex. -8(-8) =Ex. -4(20) =Ex. -4(20) =Ex. 56 ÷ 7 =Ex. 56 ÷ 7 =Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) =Ex. -4(20) =Ex. 56 ÷ 7 =Ex. 56 ÷ 7 =Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) = Ex. -4(20) = -80Ex. 56 ÷ 7 =Ex. 56 ÷ 7 =Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) = Ex. -4(20) = -80Ex. 56 ÷ 7 = Ex. 56 ÷ 7 = 88Ex. -54 ÷ 6 =Ex. -54 ÷ 6 =Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) = Ex. -4(20) = -80Ex. 56 ÷ 7 = Ex. 56 ÷ 7 = 88Ex. -54 ÷ 6 = Ex. -54 ÷ 6 = -9-9Ex. -81 ÷ -3 =Ex. -81 ÷ -3 =Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) = Ex. -4(20) = -80Ex. 56 ÷ 7 = Ex. 56 ÷ 7 = 88Ex. -54 ÷ 6 = Ex. -54 ÷ 6 = -9-9Ex. -81 ÷ -3 = Ex. -81 ÷ -3 = 27Ex. 63 ÷ -9 =Ex. 63 ÷ -9 =

Multiplying/Dividing IntegersMultiplying/Dividing IntegersTry these:Try these:

Ex. 12(2) = Ex. 12(2) = 24Ex. 15(-6) = Ex. 15(-6) = -90Ex. -8(-8) = Ex. -8(-8) = 64Ex. -4(20) = Ex. -4(20) = -80Ex. 56 ÷ 7 = Ex. 56 ÷ 7 = 88Ex. -54 ÷ 6 = Ex. -54 ÷ 6 = -9-9Ex. -81 ÷ -3 = Ex. -81 ÷ -3 = 27Ex. 63 ÷ -9 = Ex. 63 ÷ -9 = -7

Multiplying/Dividing IntegersMultiplying/Dividing IntegersThe Multiplying/Dividing Integer Song!!The Multiplying/Dividing Integer Song!!

(to the theme of (to the theme of Three Blind MiceThree Blind Mice))

Multiplying Integers, Dividing Integers,Multiplying Integers, Dividing Integers,They both are the same! They both are the They both are the same! They both are the

same!same!When the signs are the same it’s a positive,When the signs are the same it’s a positive,

When the signs are different it’s hard to When the signs are different it’s hard to explain,explain,

A negative pops up! A negative pops up!A negative pops up! A negative pops up!