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
Adding and Subtracting Decimals
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
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
Subtracting Decimals
Do the same thing when you subtract decimals. You may need to regroup.
6
7
Numbers without a decimal point
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
Adding and Subtracting Decimals Review
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
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
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
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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