Adding and Subtracting Decimals in the Real World

Which of the following is the correct definition for the word SUM?

• the result of subtracting two numbers

• an approximate value used to determine reasonableness of given data

• to approximate a number to a particular place value to enable simplified calculations

• the result of adding two or more numbers

Tags

CCSS.6.EE.A.1

Find the sum. 9.3 + 12.6 = ?

• 21.9

• 3.3

Tags

CCSS.6.NS.B.3

Find the sum. 9 + 12.36 = ?

• 21.36

• 12.45

Tags

CCSS.6.NS.B.3

The price for a company stock was $126.38 at the end of Monday. On Tuesday it decreased by $17.95. What was the stock worth at the end of the day Tuesday? 

• 1084.3

• 144.33

• 10.843

• 108.43

Tags

CCSS.6.NS.B.3

What is the first step when adding and subtracting decimals?

• Line up the numbers

• Line up the decimals

• Add or subtract like normal

• Add in placeholders

Tags

CCSS.5.NBT.B.7

Desmond had $450. He bought a camera for $129.99, a pair of shoes for $49.99, and a watch for $119.99. How much money does he have left now?

• $299.99

• $299.97

• $150.03

• $151.03

Tags

CCSS.7.EE.B.3

A carpenter bought a piece of wood that was 8.3 feet long. Then she sawed 4.7 feet off the end. How long is the piece of wood now?

Tags

CCSS.7.NS.A.3

Marco has $75 to spend on new clothes for a job interview. He buys a shirt for $18.28, pants for $42.39, and a tie for $12.97. How much money will Marco have left after he buys these clothes?

• $1.36

• $14.33

• $19.64

• $43.75

Tags

CCSS.6.NS.B.3

Ms. Stigall buys shoes and a top for $47.82 and $13.36 She gives $100. What's her change?

• $61.18

• $161.18

• $49.18

• $38.82

Tags

CCSS.6.NS.B.3

Emily has $484.63 in her bank account. She withdrew $153.50 to buy a new phone. How much money does she have in her bank account?

• $331.13

• $331.63

• $330.13

• $330.63

Tags

CCSS.6.NS.B.3