数学 · GCSE · Algebra

Iteration

gcse-math-a20免费3:30Heddy 星级 7 颗中 2 颗，未达标

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你需要知道的

  • Iteration feeds each answer back into the formula.
  • Successive values get closer to a solution.
  • A change of sign shows a root lies between two values.

这个短片讲了

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14:00–15:57Averages from frequency tablesm171
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21:35–23:22Area of a circlem127
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30:48–32:24Inverse proportionm103
32:24–34:21Speed, distance, timem96
34:21–35:52Scatter graphs & correlationm20
37:34–38:52Pythagoras: the hypotenusem136
40:11–42:28Column vectorsmh15
46:09–48:15Venn diagrams for probabilitym157
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63:41–66:11Trigonometry first stepsmh2
68:28–70:43Graphs of quadraticsm85
70:43–72:19Locigcse-math-g2c
72:19–74:29HCF & LCM by prime factorsm54
74:29–76:18Volume of pyramids, cones and spheresgcse-math-g17b
83:26–84:53Tree diagramsmh17
91:35–94:32Density and pressuregcse-math-r11b
112:22–113:53Negative scale factorsgcse-math-g7c
159:44–163:10Histogramsgcse-math-s3a
169:09–171:56Algebraic proofgcse-math-a6c
173:39–176:10Similar shapes: areas and volumesgcse-math-g19b
193:10–194:55Turning points by completing the squaregcse-math-a11c
203:02–206:42Tangent to a circlegcse-math-a16b
210:10–213:40Iterationgcse-math-a20
也讲到Calculator fluencym44
也讲到Estimating before calculatingm32
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也讲到Calculating in standard formm48
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也讲到Surface area of pyramids, cones and spheresgcse-math-g17c
也讲到Exponential graphsgcse-math-a12c
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也讲到Area under a graphgcse-math-a15b
也讲到Geometric proofgcse-math-g6
也讲到Vector proofsgcse-math-g25b
也讲到Transforming graphsgcse-math-a13
Heddy 星级2/7, 未达标
  • 可信来源 · 已通过. 创作者本人上传，链接有效，可以在这里播放。
  • 对准知识点 · 待评. 老师看过：它主要讲的就是这个知识点。
  • 符合考纲 · 待评. 内容准确，符合现行英国考纲。
  • 聚焦 · 已通过. 只讲一个概念，短到可以一口气看完。
  • 无障碍 · 待评. 字幕可靠，声音和画面清楚。
  • 适合青少年 · 待评. 适合 11 到 16 岁的学生，没有推销。
  • 有成效 · 待评. 由我们的学生评出：看了学得会、觉得有帮助、愿意看到最后。
★ 已通过 · ☆ 待评 · ✕ 未通过
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我们自己学生的回答，第 7 颗星“有成效”就由这些决定。
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为什么选它

1st Class Maths' long Higher revision video working through a question booklet; many chapters are only links, so the timed set keeps the clearly titled ones.

YouTube 频道：1st Class Maths2026-10-16 核对