"The Meaning of Equations" Simple Equations PPT Courseware

Description

"The Meaning of Equations" Simple Equations PPT Courseware

practise:

①20+30=50 ⑤ 80<2χ

②20+χ=100 ⑥ 3χ=180

③50×2=100 ⑦100+20<100+50

④50+2χ＞180 ⑧100+2χ=3×50

Think: Can you classify these expressions? And talk about the criteria according to which they are classified.

Formulas with unknown numbers Formulas without unknown numbers

②20+χ=100 ①20+30=50

④50+2χ＞180 ③50×2=100

⑤ 80<2χ ⑦100+20<100+50

⑥ 3χ=180

⑧100+2χ=3×50

Exercise: Which of the following are equations? Which ones are not equations?

① 35-χ =12 ( ) ⑥ 0.49÷χ =7 ( )

② Y+24 ( ) ⑦ 35+65=100 ( )

③ 5 χ+32=47 ( ) ⑧ χ-14＞ 72 ( )

④ 28＜16+14 ( ) 9b-3=60 ( )

⑤ 6(a+2)=42 ( ) χ +y=70 ( )

True or False

(1) The equation containing unknown numbers is equation ( )

(2) The formula containing unknown numbers is equation ( )

(3) An equation is an equation, and an equation is also an equation ( )

(4) 3χ=0 is the equation ( )

(5) 4χ+20 contains unknown numbers, so it is the equation ( )

This courseware provides a comprehensive introduction to simple equations through small games and exercises, which improves students' interest in learning and helps students better understand and remember the meaning of equations. It is a good classroom teaching courseware.

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For more information about the "The Meaning of Equations Simple Equations" PPT courseware, please click the "The Meaning of Equations ppt Simple Equations ppt" tab.

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Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press Fifth Grade Mathematics Volume 1 industry PPT template

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