دروس الصف الثامن

هذه الدروس باللغة الإنجليزية، بسرد صوتي من معلّمي Koydo.

Lumi solves a one-step equation as a balance — do the same thing to both pans

Mathematics · مع Lumi

Lumi stands at a large old-fashioned balance scale in a sunlit workshop, carefully placing and removing brass weights from each pan to keep the scale perfectly level, then turns to you and grins — ready to show you exactly how equations work the same way.

Lumi names a linear change — the same amount every step, like 3 meters every second

Mathematics · مع Lumi

Lumi stands at a long hiking trail, pressing a stopwatch and marking distance flags every minute along a straight mountain path while hikers move at a perfectly steady pace beside her.

Lumi extends the number line below zero — negatives are left of zero, not “minus a minus trick”

Mathematics · مع Lumi

Lumi stands beside a giant thermometer mounted on a snowy mountain wall, pointing at temperature markings that stretch both above and below a bold zero line, with a number line etched into the ice at their feet running from -10 to 10.

Lumi reads a percent as a ratio out of one hundred — 25% is 25 per 100, not a unit rate per apple

Mathematics · مع Lumi

Lumi picks up a ratio card showing 3/5 from the desk, holds it next to a large transparent 10×10 grid of one hundred squares, and begins counting aloud how many squares to shade using a cross-hatch pattern — reasoning step by step about how to rescale the denominator to 100 before touching the marker to the grid.

Lumi measures probability as how likely — from 0 (impossible) to 1 (certain), fair coins near 1/2

Mathematics · مع Lumi

Lumi stands at a colorful carnival game booth, holding a bag filled with red, blue, and yellow tokens, shaking them with a curious grin while a numbered probability scale from 0 to 1 is painted on the booth wall behind her.

Lumi reads a ratio as a fixed multiply-compare — 3:5 stays 3-to-5 when both scale

Mathematics · مع Lumi

Lumi stands between two student groups at a school art table, holding up paint tubes for each group side by side and pointing out that even though one group is larger, both groups have the same number of red tubes for every blue tube — the ratio of red to blue is exactly the same in both.

Lumi peels a two-step equation — undo the outside operation first, then the inside

Mathematics · مع Justice

Justice stands beside a glowing balance scale floating in starlight, a small box marked x resting on the left pan among scattered number tiles waiting to be moved.

Lumi finds a unit rate — how much for exactly one, so two stalls can be compared fairly

Mathematics · مع Lumi

A bustling outdoor farmers market with colorful produce stalls; Lumi stands at a table holding two bags of apples and a notepad, calculating prices and comparing deals with a focused, curious expression.

Lumi treats a variable as a labeled unknown — n stands for a number you have not counted yet

Mathematics · مع Lumi

Lumi stands at a busy farmers market, holding a paper bag and a marker, writing a bold letter on each bag to track how many apples are inside before anyone counts them.