x by Power of 10
0.23 x 100 = _______
23
Find the product.
0.6 x 0.4 = _____
0.6 x 0.4 = 0.24
1 x 3.4 = _____
1 x 3.4 = 3.4
Silly Question!!!!! :)
Laura is making 1,000 bows. She needs a piece of ribbon that is 0.56 meter long for each bow. How many meters of ribbon does Laura need to make the bows?
0.56 x 1,000 = 560
Laura needs 560 meters of ribbon.
When I see 103 I know that really means a 1 with _____ zeros. So the real number is ___________.
2 zeros
100 is the real number
0.47 x 10 = ______
4.7
Solve.
0.23 x 1.4 = ______
0.23 x 1.4 = 0.162
9.4 x 3 = ______
9.4 x 3 = 28.2
At the deli, one pound of turkey costs $7.98. Mr. Epstein buys 3 pounds of turkey. How much will the turkey cost?
7.98 x 3 = 23.94
The turkey will cost $23.94
In the number 14.56, the 6 is in the ____ place.
a) ones b) tenths c) hundredths d) thousandths14.56
c) hundredths
1.12 x 1,000 = ______
1,120
0.9 x 1.5 = ____
0.9 x 1.5 = 1.35
Gilbert bought 3 shirts for $15.90 each, including tax. How much did he spend?
a) $5.30 b) $37.70 c) $47.70
15.90 x 3 = 47.70
So, choice c) $47.70 is correct.
Mike is reading a book for a book report. On Monday, he read 36 pages of the book. On Tuesday, he read 3.5 times as many pages as he read on Monday. How many pages of the book has Mike read this week?
First, find Tuesday (36 x 3.5 = 126 pages). Then, add Monday (36) and Tuesday (126) together.
126 + 36 = 162 pages total
When I multiply a decimal by 10, 100 or 1,000 I have to move the decimal to the ______.
Right or left?
(example: 1.23 x 100)To the RIGHT
1.23 X 100 = 123
4.5 x 1,000 = ______
4,500
Mark said that the product of 0.02 and 0.7 is 14. Mark is wrong. Which product is correct?
a) 0.014 b) 0.14 c) 1.4
Which problem will have two decimal places in the product?
A) 4 x 0.66 B) 8.4 x 10
Choice A is correct 4 x 0.66
The answer would be 2.64
The cost of admission to the Bronx Zoo is $15.25 for each adult and $7.25 for each child. A family of 2 adults and 1 child plan to spend the day at the Bronx Zoo. How much does admission for the family cost?
15.25 + 15.25 + 7.25 = $37.75
The total cost is $37.75
What is the value of the 7 in this number:
185.907
7 thousandths
6.4 x 102 = _______
Hint: (First find 102 - it's a 1 with how many zeros?)
The solve.
102 = 1 with 2 zeros so 102 is 100.
So, 6.4 x 100 = 640
A builder buys 23.7 acres of land to build a park. The builder plans to use 0.2 of the land for the playground. How many acres will be used for the playground?
23.7 x 0.2 = 4.74
4.74 acres of land will be used for the playground
Tara is making a square frame. She is using 5 pieces of plastic that are each 2.45 feet long. How much plastic will Tara use to make the frame?
2.45 x 5 = 12.25 feet
Mary, Zack, and Haley went to the mall to shop for school supplies.
Mary spent $14.25 on her supplies.
Zack spent $4.30 more than Mary spent.
Haley spent 2 times as much money as Zack spent. How much money did Haley spend on school supplies?
Mary $14.25
Zack (14.25 + 4.30) = $18.55
Haley (18.55 x 2) = $37.10
Haley spent $37.10 on school supplies.
In the number 74.568 the value of the 5 is _______.
a) 5 tenths b) 5 hundredths c) 5 thousandths
74.568
5 tenths