Adding Decimals Lesson
Presentation
•
Mathematics
•
6th Grade
•
Hard
James Gonzalez
FREE Resource
18 Slides • 9 Questions
1
MGSE6.NS.3
Fluently add and subtract multi-digit decimals using the standard algorithm for each operation.
Subject | Subject
Some text here about the topic of discussion
2
I can determine sums and differences by adding and subtracting decimals in order to fluently add and subtract multi-digit decimals using the standard algorithm.
3
Multiple Choice
Julie and Doug are building a tree house out of wood boards. Julie has a board that is 1.15 meters long and Doug has board that is 0.7 meter long. What is the combined length of their boards?
Two students solved the problem. Who is correct?
4
Adding decimals is like adding whole numbers. Before you add, line up the decimal points. This will make sure you are adding the correct place values together.
5
Do the same thing when you subtract decimals. You may need to regroup.
6
7
If a number does not have a decimal point, add the decimal point at the end of the number.
8
Multiple Choice
How do you write the number 824 as a decimal?
8.24
0.824
82.4
824.0
9
I can solve problems by using the standard algorithm for adding and subtracting decimals.
10
11
12
13
14
15
Multiple Choice
Solve: 21 + 4.28
4.49
6.38
25.28
16
Fill in the Blanks
Solve: 55.78 + 4.6
Type answer...
17
18
19
20
21
22
Multiple Choice
Solve: 7.05 - 4.6
2.45
3.65
11.65
11.45
23
Fill in the Blanks
Solve: 80.93 - 68
Type answer...
24
25
Multiple Choice
Jim earned $22.50 on Monday, $14.75 on Tuesday, and $28 on Wednesday. How much did he earn, in all?
$37.53
$64.25
$65.25
$74.50
26
Multiple Choice
Sarai has been working to buy a new pair of shoes. So far, she has earned $33 by babysitting, $49.75 selling her old toys, and $27.50 selling lemonade. If she needs $100 for the new shoes, how much money does she have left over?
$209.00
$102.50
$9.00
$10.25
27
Fill in the Blanks
During the canned food drive, Mrs. Hudson's homeroom collected 172.3 pounds of food and Mrs. Taylor's collected 134.08 pounds of food. Mr. Bobbit's homeroom collected 400 pounds of food. How many more pounds of food did Mr. Bobbitt's class collect than Mrs. Hudson and Mrs. Taylor's combined?
Type answer...
MGSE6.NS.3
Fluently add and subtract multi-digit decimals using the standard algorithm for each operation.
Subject | Subject
Some text here about the topic of discussion
Show answer
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