Decimal Addition and Subtraction

Decimal numbers are similar to fractions because

• fractions and decimals both have a numerator

• fractions are larger than decimals

• decimals and fractions are parts of a whole number

• decimals are always larger than fractions

Which operation would solve this problem: On Saturday Cooper's Grocery Store sold X newspapers. On Sunday they sold Y newspapers and Monday they sold Q newspapers. How many did the store sell for the weekend?

• add

• subtract

• divide

• multiply

Write the following in standard form.

eight hundred twenty two and seventy six hundredths

Conner has a piece of wood that measures (9 x 1/10) + (6 x 1/100) + (4 x 1/1000). How can this be written as a decimal?

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

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?

Beth worked 33.25 hours last week and 23.75 this week. How many total hours did she work? 

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

-12.4 + 9.2 + 1 

Mathematical Equivalence

ON

Xavier spent $15.68 on a shirt, $29.67 on shoes, and $14.95 on pants. How much did he spend?

• 48.20

• 48.40

• 59.20

• 60.30