6.1.1 Multiply Multi-Digit Decimals

Multiplying Multi-Digit Decimals

Poll

How are you feeling today?

• hungry

• grumpy

• sleepy

• excited and energized

• in love and inspired

Multiple Choice

In the number 30,829 what digit is in the ones place?

• 3

• 0

• 2

• 9

Multiple Choice

What number is being represented?

• 300+60+4

• 600+30+4

• 30+60+4

• 3+6+4

Multiple Choice

Which digit is in the HUNDREDS place in the number 429.18?

• 4

• 2

• 9

• 1

• 8

Open Ended

Write three hundred fifty two and seven thousandths in number form.

Open Ended

Write six hundred forty nine thousand one hundred twenty five and forty three thousandths in word form. Make sure to include the necessary commas.

Multiple Choice

What are the prime factors of 27?

• 3x3x3

• 3x2x3

• 3x3x4

Multiple Choice

Find the prime factorization of 56.

• 2x2x2x7

• 2x28

• 3x3x7

Multiple Choice

Find ALL FACTORS of 24

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

Multiple Choice

How many prime factorizations can one number have?

• 1

• 2

• 3

• 4

Multiple Choice

What is the prime factorization for 23?

• 2x3

• 1x23

• 23

• 2x2x3

Multiple Choice

To complete the next step in this multiplication problem, what number belongs in the box?

• 235

• 2350

• 2035

• 20,350

Multiple Choice

Natalie finds the product of 2 numbers. She notices she has made a mistake.

What can Natalie do to correct her mistake?

• Remove the 0 in ones place in the first multiplication. The product will be 1,062.

• Change the 8 in the first multiplication to a 5 because 5 x 3 = 15. The product will be 2,144.

• Change the 4 in tens place in the second multiplication to a 2 because 4 x 6 = 24 not 44. The product will be 2,104.

• Place a 0 in ones place in the second multiplication as a place holder to show the multiplication in tens place. The product will be 10,620.

Multiple Choice

A store made $205 every day for 78 days. How much money did the store make in all?

• $15,990

• $15,650

• $3,075

• $3,005

Multiple Choice

51 x 12

• 512

• 163

• 882

• 612

Multiple Choice

Which number is the denominator?

• 1

• 4

Multiple Choice

Which number is the numerator?

• 2

• 5

Multiple Choice

The fraction strip represents 1 whole. What is the fraction of the shaded strip?

• 6/4

• 4/6

• 2/4

• 4/2

Fill in the Blanks

Multiple Choice

Is 8.27 rational or irrational?

• Rational
• Irrational
• Both
• None of the above

Multiple Choice

Based on the chart, how many subsets are within the integers set?

• 1
• 2
• 3
• none

Multiple Choice

Zero is a ___________.

• whole number
• natural number
• whole number, integer, and rational
• irrational

Multiple Choice

A fraction is which type of number?

• Rational
• Irrational

Multiple Choice

A non-terminating decimal is which type of number?

• Rational 
• Irrational

Multiple Choice

A repeating decimal is what type of number?

• Rational 
• Irrational

Multiple Choice

7.9 + 18.72

• 2662
• 26.62
• 1
• 25.62

Multiple Choice

Find the difference
9.73 - 2.52

• 7.22
• 7.23
• 7.21
• 7.34

Multiple Choice

15.07 - 12.2=

• 2.87
• 1.87
• 3.87
• 2.80

Multiple Choice

Add 134.543 + 345.879

• 480.421
• 479.420
• 478.422
• 480.422

Multiple Choice

Multiply Decimals

0.4 x 0.03 =

• 12

• 1.2

• 0.12

• 0.012

Multiple Choice

Multiply Decimals

0.4 x 0.3 =

• 12

• 1.2

• 0.12

• 0.012