| Category | Format | Size |
|---|---|---|
| Western Normal University Edition Sixth Grade Mathematics Volume 1 | pptx | 6 MB |
"Dividing a Number by a Fraction" Fraction Division PPT Courseware
Description
"Dividing a Number by a Fraction" Fraction Division PPT Courseware
Kindergarten teacher Li gave 4 oranges of the same size to the children.
(1) If each person eats 2 pieces, how many people can they share? How about 1 per person?
(2) If each person eats 1/2 a piece, how many people can it be shared with?
(2) Each person eats 1/3, how many people can be divided among them? How about eating 1/4 of each?
Can you summarize the calculation rules for dividing a number by a fraction?
Dividing a number by a fraction is equal to the reciprocal of the number multiplied by the divisor.
Number A divided by number B (except 0) is equal to the reciprocal of number A times number B.
Xiaogang walked 14/15 kilometers in 3/10 hours. How many kilometers did he walk in 1 hour?
Speed = distance ÷ time
14/15÷3/10=14/15×10/3=28/9
Dividing a number by a fraction can be calculated in four steps:
(1) The dividend remains unchanged.
(2) The division sign changes into a multiplication sign
(3) The divisor becomes the reciprocal.
(4) Calculated according to the fraction multiplication rule.
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For more information about the PPT courseware "Dividing Fractions by a Number by a Fraction", please click the Fraction Division ppt by dividing a number by a fraction ppt tag.
"Dividing a Number by a Fraction" Fraction Division PPT Courseware 3:
"Dividing a Number by a Fraction" Fraction Division PPT Courseware 3 1. Calculate the following questions orally, and then talk about the calculation method of dividing a fraction by an integer. 3/83 6/72 147 3/86 6/75 141/7 2. Xiao Ming walked 6km in 2 hours. How many kilometers per hour did he walk on average? Speed = journey time..
"Dividing a Number by a Fraction" Fraction Division PPT Courseware 2:
"A Number Divided by a Fraction" Fraction Division PPT Courseware 2 Teaching Objectives: 1. Explore and understand the calculation method of fraction division through specific problem situations. 2. Ability to correctly perform fractional division calculations. 3. Cultivate students’ analytical and reasoning abilities. 1. Review old...
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Update Time: 2024-07-06
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