Group: Adding and Subtracting Whole Numbers and Decimals

Adding and Subtracting Whole Numbers and Decimals

Multiple Choice

Fill in the blank: When adding and subtracting decimals, the first thing you do is vertically ________ ______ the decimal in each number, so the place value is correctly aligned.

• throw out

• erase

• line up

Multiple Choice

THINK ABOUT IT: I'm reading a word problem, and I notice one of the important numbers has a decimal in it, but the other one doesn't and is just a whole number (EX. 1.2 and 2).

QUESTION: How can I add a decimal to a WHOLE NUMBER, so that it is in the correct place and shows the correct value?

• Place it in front of the number and add a zero (EX: 2= 0.2)

• It doesn't need a decimal

• Add it on the end of the number, along with a ghost zero (EX: 2= 2.0)

Multiple Choice

7.9 + 18.72

• 2662
• 26.62
• 1
• 25.62

Multiple Choice

Find the difference 27.96 - 16.2

• 11.67
• 11.76
• 12.07
• 11.89

Multiple Choice

Jon collects Pokemon Cards. He has 26,798 cards. If Jon gives his friend 6,099 cards, how many cards will Jon have left?

• 9,099 Pokemon cards
• 18,699 Pokemon cards
• 19,099 Pokemon cards
• 20,699 Pokemon cards

Multiple Choice

How many total cans of food were collected on Thursday, Friday, and Saturday?

• 8,296

• 8,196

• 7,186

• 8,096

Multiple Choice

How many more cans were collected on Friday and Saturday than on Monday and Tuesday?

• 3799

• 3809

• 3899

• 8153

Multiple Choice

Dell’s family drove to Snyder, Texas, to visit

relatives. When the family left, the car’s

odometer showed 44,569.8 miles. When

they returned home, the odometer read

45,001.5 miles. How many miles did the

family travel?

• 1,568.3 mi

• 432.7 mi

• 431.7 mi

• 442.7 mi

Multiple Choice

The height of the Seattle Space Needle,

including the spire, is 184.41 meters. The

height of the building without the spire is

158.12 meters. What is the height, in

meters, of the spire?

• 28.28

• 26.29

• 2.90

• HUGE!