Decimal Fractions Addition and Subtraction

• Line up decimals with the greater absolute value on top.

• Get common denominators.

• Keep - Change - Opposite

• Be rational.

Tags

CCSS.7.NS.A.1C

Using what decimal operations, should you line up the decimals?

• adding and subtracting 

• multiplying and dividing

• adding and multiplying 

• subtracting and dividing

Tags

CCSS.5.NBT.B.7

Which operations require finding a common denominator?

• multiplication 

• addition 

• addition and subtraction 

• division 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve: 1.23+10.56 = ? AND 53.78-15.79

• 11.79; 37.91

• -11.79; -37.91

• 11.97; 37.99

• 11.79; 37.99

Tags

CCSS.6.NS.B.3

Kyle has two numbers 2.376 and 0.122.
What is the sum of both the numbers?

​ ​ ​ (a)  

What is the difference of both the numbers?

​ ​ (b)  

• 2.498

• 3.498

• 1.498

• 2.254

• 1.456

• 0.876

• 1.75

Tags

CCSS.6.NS.B.3

James brought a fresh 2-liter bottle of sweet tea to school. He drank 0.29 liter before lunch and 0.189 liter after lunch. He tried to offer the rest to Mr. Blow, but Mr. Blow said, "Seriously?!" How much tea was left at the end of the day?

(a)  

Tags

CCSS.6.NS.B.3

Chance has two numbers 2.376 and 0.122.
What is the sum of both the numbers?

​ ​ ​ (a)  

What is the difference of both the numbers?

​ ​ (b)  

• 2.498

• 3.498

• 1.498

• 2.254

• 1.456

• 0.876

• 1.75

Tags

CCSS.6.NS.B.3

The opposite of addition is

• Adding three numbers

• Subtraction

• Multiplication

• Division

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2