Multiplying Decimals

Multiplying Decimals

Multiplying Decimals Example

The steps for multiplying decimals are....
1. Remove the decimals
2. Multiply
3. Count the numbers AFTER the decimal
4. Replace the decimal in the answer

Multiple Choice

PRACTICE: Answer the question below

Mr. Jack bought 3.65 pounds of licorice that cost $0.46 per pound. How much did he spend on licorice?

*Hint--> multiply the numbers

• 16.790

• 167.90

• 1,679

• 1.6790

Multiple Choice

PRACTICE: Answer the question below

Elana bicycles at an average of 11.49 miles per hour. What distance will Elana bicycle in 2.3 hours?

• 2.6427

• 26.427

• 264.27

• 26,427

Multiple Choice

PRACTICE: Answer the question below

Mr. Wax has a plant that grows 4.85 inches per month. If the plant continues to grow at this rate, how much will the plant grow in 6.5 months?

• 31,525

• 3.1525

• 31.525

• 315.25

Adding and Subtracting Decimals

We have also gone over adding and subtracting decimals.
Remember........
1. Line up the decimals
2. Fill in zeroes in blank spaces
3. Complete the correct operation (add/subtract)

Multiple Choice

PRACTICE: Answer the question below

Amanda bought a dress for $25.75 and a pair of shoes for $38.50. How much did she spend in total?

• $50.75

• $75.25

• $13.25

• $64.25

Multiple Choice

PRACTICE: Answer the question below

If Sarah earned $45.25 from her part-time job this week and $30.60 from babysitting, how much money did she earn in total?

• $60.45

• $75.25

• $75.85

• $50.85

Multiple Choice

What words from the two previous problems let you know to add the numbers in the word problem?

• Sum

• In total

• Altogether

• Add

Multiple Choice

PRACTICE: Answer the question below

A recipe calls for 2.5 cups of flour and 1.75 cups of sugar. How many cups of ingredients are needed in total?

• 2.25 cups

• 3.25 cups

• 5.75 cups

• 4.25 cups

Multiple Choice

PRACTICE: Answer the question below

Gina competed in a gymnastics competition.  Her total score for the balance beam and the vault was 16.75.  She scored 9.3 on the vault.  How much did she score for the balance beam?

• 7.45
• 7.54
• 7.045
• 7.054

Multiple Choice

PRACTICE: Answer the question below

Nathan and his uncle paid $9.50 for tickets to a bike race.  They bought one adult's ticket and one child's ticket.  The adult's ticket cost $5.75.  What was the cost of Nathan's ticket?

• 3.75
• $2.95
• $3.75
• $3.50

Multiple Choice

EXIT TICKET QUESTION

Jason spends $13.50 per week on school. About how much would 8.5 weeks of lunches cost?

• $14.75

• $114.75

• $1,114.75

• $11.75

Important Remainder Info

**No more remainders!