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U2.L2.3-Multiplying.Dividing decimals
Unit 2: Lesson 2 and 3
Properties of Addition and Multiplication
Multiplying and Dividing Decimals
Unit 2: Lesson 2 and 3
Properties of Addition and Multiplication
Multiplying and Dividing Decimals
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Unit 2: Lesson 2 and 3
Properties of Addition and Multiplication
Multiplying and Dividing Decimals
Unit 2: Lesson 2 and 3
Properties of Addition and Multiplication
Multiplying and Dividing Decimals
Slide 1 - Diapositive
What is the most important thing a student needs to do when adding or subtracting decimals
Slide 2 - Question ouverte
1. a+b=b+a is an example of the
2. (2x3) x 4 = 2 x (3x4) is an example of the
3. 5 x0 = 0 is an example of the
4. 3+0 = 3 and 4x1=4 are both examples of the
Commutative Property
Associative Property
Zero Property
Identity Property
Slide 3 - Question de remorquage
What do we do with decimals when multiplying?
Example:
.05 x.03
Slide 4 - Carte mentale
Put the steps in order for dividing the following problem. .081/.09
find the number of decimal points in each number. .081 =3 .09 = 2
subtract the number of decimal points of the dividend and the divisor. 3-2 =1
Turn both decimals into whole numbers. .081- >81 .09->9
divide the whole numbers. 81 / 9 = 9
Move the decimal on the whole number to the left by the difference of the decimal points. 9. -> .9
Slide 5 - Question de remorquage
0.9 x 0.7
A
63
B
6.3
C
.63
D
.063
Slide 6 - Quiz
10 x 0.05
A
0.50
B
50
C
5
D
.05
Slide 7 - Quiz
0.050/.1
A
0.05
B
50
C
5
D
.5
Slide 8 - Quiz
4.5 / 5
A
.9
B
9
C
0.09
D
90
Slide 9 - Quiz
7.3 x 7.0
A
511
B
.511
C
5.11
D
51.1
Slide 10 - Quiz
Complete the exit ticket at the following link
Complete the exit slip at the link below!
https://forms.gle/uPFaLP8FijZfAuyt8
Slide 11 - Diapositive
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