"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 2

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People's Education Press Seventh Grade Mathematics Volume 1	pptx	6 MB

"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 2

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Upload Time: 2024-11-21

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"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 2

Come and practice:

50 – 20 = 50+(-20)=

50 – 10 = 50+(-10)=

50 – 0 = 50 + 0 =

50 – (-10) = 50+ (+10) =

50 – (-20) = 50+ (+20) =

calculate

(1) (-32) – (+5)

(2) 7.3 - (-6.8)

(3) (-2) – (-5)

(4) 12-21

(5) (-51) + (-2.2) – (-10.8)

will you do it?

1. What numbers should be filled in the following brackets?

(1)(-2)-(-3)=(-2)+( );

(2) 0 - (-4) = 0 + ( );

(3) (-6)-3 = (-6) + ( );

(4) 1-(+39) = 1 + ( )

2. Calculate:

(1) (+3)-(-2); (2) (-1)-(+2);

(3) 0 - (-3); (4) 1 - 5;

(5)(-23.6)-(-12.4);

Keywords: Rational number courseware, rational number subtraction courseware, New People's Education Edition seventh-grade mathematics PPT courseware, seventh-grade mathematics slide courseware download, rational number PPT courseware download, rational number subtraction PPT courseware download, .ppt format

For more information about the PPT courseware "Subtraction of Rational Numbers and Rational Numbers", please click the Rational Numbers ppt Subtraction of Rational Numbers ppt tag.

"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 3:

"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 3 Think about it. The highest temperature in Harbin is 3 degrees and the lowest temperature is 3 degrees. Question 1 What is the temperature difference in Harbin today? List the equations. 3 - ( - 3) = ? Question 2: What number plus -3 equals 3? 6+(-3..

"Subtraction of Rational Numbers" Rational Numbers PPT courseware:

"Subtraction of Rational Numbers" Rational Numbers PPT courseware explores the law of rational subtraction. Practical problems sometimes involve the subtraction of rational numbers. For example, the temperature in a certain place on a day is -3~4℃. The temperature difference on this day (the highest temperature minus the lowest temperature, unit: ℃) is 4-(-3..

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"Subtraction of Rational Numbers" Rational Numbers PPT Courseware 2