"Multiplication" PPT courseware

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"Multiplication" PPT courseware

Part One: Analysis of Examples

Example 1. A flour machine grinds 158 kilograms of flour per hour. How many kilograms of flour can this flour machine grind in a day?

There are three shifts of workers working a day.

There are 24 hours in a day...

Try doing the math yourself in vertical form.

Uncle Wang cultivates tomato seedlings in a plastic greenhouse, and can cultivate 69 seedlings per square meter. How many tomato seedlings can be cultivated in this greenhouse?

This greenhouse is 216 square meters.

First estimate how many digits the product is, and then calculate it in vertical form.

Example 2. Observe the following two sets of questions, what did you find?

(1) 4×2=8 (2) 25×40=1000

40×2=80 25×20=500

400×2=800 25×10=250

In multiplication, one factor remains unchanged, the other factor multiplies or divides a number that is not zero, and the product is multiplied or divided by the same number.

Multiplication PPT, part 2: discuss.

What quantitative relationship did you discover from the above question?

The unit price is how much each box can be sold for.

How many yuan can be sold in total is the total price.

Unit price × quantity = total price

Keywords: Free download of Hebei Education Edition mathematics PPT courseware for the second volume of fourth grade, multiplication PPT download, .PPT format;

For more information about the PPT courseware "Multiplying Three Digits by Two Digits", please click the Multiplication ppt tag of Three Digits Multiplying Two Digits ppt.

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"Multiplication of Integers" PPT Courseware Part One: Review and Thinking The basis for multiplying a monomial by a polynomial is the distributive law of multiplication to addition; how to perform multiplication operations of monomials and polynomials? ① Multiply each term of the polynomial by a monomial. ② Then...

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"Multiplication of Integers" PPT Part One: Review Introduction: 1. Multiplication of powers with the same base: am.an=am+n (m,n are both integers) 2. Power of powers: (am)n=amn ( m, n are both positive integers) 3. The power of the product: (ab)n=an.bn (n is a positive integer) ....

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Update Time: 2024-10-01

This template belongs to Mathematics courseware Hebei Education Edition Fourth Grade Mathematics Volume 2 industry PPT template

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