Decimal Multiplication
What is the product of 0.5×0.4?
.20
Equivalent decimal for an extra 100 points
Solve for the product: 3.45×10.
34.5
If one sheet of paper is 0.01 cm thick, how thick is a stack of 100 sheets?
1 cm
How think is a stack of 10,000 sheets for an extra 100 points
Round the price of a $15.89 video game to the nearest dollar.
$16
Round to the nearest penny for an extra 100 points
The numbers that are multiplied together to get a product are called this.
factors
If one movie ticket costs $8.75, how much would 3 tickets cost?
$26.25
Is the following equation true or false: 6.08×102=60.8?
False
The correct answer for an extra 300 points
A rectangular garden has a length of 8.5 meters and a width of 4.2 meters. What is the exact area of the garden?
35.7 square meters
Round the weight of a 7.2-pound package to the nearest whole number.
7 pounds
If you multiply a number in the tenths place (like 0.1) by another number in the tenths place (like 0.1), your answer will be in this place value.
hundredths
What is the product of 7.2×4.5?
32.4
To solve 1.9×102, how many places and in which direction should you move the decimal point?
2 places to the right
Miguel buys 2 bags of chips for $3.50 each, a soda for $1.75, and 3 candy bars for $1.25 each. How much does he spend in total?
$12.50
Maria earns $19.75 per hour. About how much will she earn in an 8-hour workday?
$160
In the problem 1.2×0.05, how many decimal places will the product have?
three
A landscaping company bought 25 bags of mulch for $7.85 each. What was the total cost?
$196.25
Solve for the product: 0.57×103
570
A class of 24 students is having a party. Each student contributes $1.50 for pizza and $0.75 for drinks. What is the total amount of money collected? Write equations with variables and then solve.
24 x 1.50 = p 24 x .75 = d p + d = m
$54.00
A rug is 12.4 feet long and 8.9 feet wide. Estimate the area of the rug by rounding the dimensions to the nearest whole number.
about 108 square feet
This expression, written as a decimal multiplication, is equal to 4/10×9/10.
0.4 × 0.9
Write an equivalent expression for an extra 400 points
What is the total cost of 4 notebooks at $2.25 each and 2 pens at $1.50 each? Write equations with variables and then solve.
4 x 2.25 = n 2 x 1.50 = p n + t = c
$12.00
Is the following equation true or false: 2.4×104=24,000
True
A delivery driver travels 3.5 miles for each of his 10 deliveries on Monday. On Tuesday, he makes 100 deliveries, each being 0.5 miles long. What is the total distance he drove over both days?
85 miles
A family wants to buy 4 sandwiches at $7.95 each and 3 drinks at $2.25 each. What is a reasonable estimate for their total bill?
about $38
Multiplying a number by this power of 10 is the same as multiplying it by 10,000.
104