
Unit 5 Review: Multiplying/Dividing decimals
Presentation
•
Mathematics
•
5th Grade
•
Medium
+2
Standards-aligned
Teresita Charles
Used 25+ times
FREE Resource
7 Slides • 6 Questions
1
Unit 5 Review:
Multiplying/Dividing decimals
2
Whole number X decimal
Multiply.
Add the number of decimal places to decide where to put the decimal point.
3
Multiple Choice
1.45
5,510
5.510
55.1
4
whole number x decimal (money)
Multiply.
Add the number of decimal places to decide where to put the decimal point.
5
Multiple Choice
Sam bought three lemons for a cost of $0.30 each. The model shows the situation. Which equation shows how to find the total cost in dollars and cents of the lemons Sam bought?
3 X 3 = 9.00
3 X 0.03 = 0.09
3 X 30 = 90.00
3 X 0.30 = 0.90
6
Decimal divided by one digit divisor
Take the divisor and multiply it by 1-9
Put the decimal point right above the other one.
Then start dividing.
7
Multiple Choice
$2.35 ÷ 5 =
$4.07
$0.47
$47.00
$4.70
8
Decimal divided by one digit divisor using models
The dividend is the total number of blocks
The divisor is how many groups
The total number in each group is the quotient
9
Multiple Choice
Which equation does this model represent?
1.8 ÷ 6 = 0.3
1.8 ÷ 3 = 0.6
0.18 ÷ 6= 0.03
0.18 ÷ 3 = 0.06
10
Order of operations with decimals
P ( )
B [ ]
M ×
D ÷
A +
S -
11
Multiple Choice
What is the value of the expression?
7 x (5.3 + 13.7) - 4
18.69
129
105
186.9
12
Order of operations with decimals
P ( )
B [ ]
M ×
D ÷
A +
S -
13
Multiple Choice
What value is equivalent to the expression?
3 [ 9.5 - 4(2.2)]
11.11
19.7
30.06
2.1
Unit 5 Review:
Multiplying/Dividing decimals
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