Multiplying by Powers of 10
Multiplying with Base Ten Models
Multiplying with Grids
Multiplying with Standard Algorithm
Spiral Review
100
When we multiply decimals by powers of ten we shift the digits to the ______________.
Left
100
What is the multiplication problem the model is representing? Don't forget the product!
0.33 x 3 = 0.99
100
When multiplying using a grid, what do you need to look at to determine your answer?
The area where both colors overlap
100
Where the decimal go in the product of this equation?
52.4 x 7 = 3668
366.8
100
A rectangular prism has a length that is 5 inches, width that is 4 inches, and a height that is 3 inches
60 in3
200
0.78 x 100
78
200
What is the multiplication problem the model is representing? Don't forget the product! 
0.22 x 4 = 0.88
200
Which color would you look at to determine the answer to this model?
Purple
200
49.1 x 5
245.5
200
Solve. 54 - 12.65
41.35
300
54.2 x 103
54,200
300
What is the multiplication problem the model is representing? Don't forget the product! 
0.17 x 5 = 0.85
300
What is the product of the grid model shown?
0.25
300
13.75 x 2.3
31.625
300
Solve. 16.02 + 9.7
25.72
400
Fill in the Blank
0.64 x ________ = 64,000
105
100,000
400
What is the multiplication problem the model is representing? Don't forget the product!
0.24 x 4 = 0.96
400
What problem is the model representing? Don't forget the product!
0.3 x 4 = 1.2
400
The 5th-grade class is selling movie tickets to raise money for a field trip. Each ticket costs $9.25, and they sell 36 tickets during the week.
How much money did the class earn altogether?
$333.00
400
Which number is the largest?
0.17 0.017 0.7 0.345
0.7
500
Fill in the blank with the correct exponent
3.4 x ___________ = 340
102
500
Which equation matches the model?
B
6 x 0.15 = 0.90
6 x 0.15 = 0.9
500
What is the multiplication problem the model is representing? Don't forget the product!
0.2 x 0.4 = 0.08
500
Ava is making snack mix for her classmates. Each bag of mix weighs 0.75 pounds, and she plans to make 8.5 bags. How many total pounds of snack mix will Ava make in all?
6.375 pounds
500
Round 7.843 to the nearest tenth place
7.8