Break numbers apart to understand the structure behind one-digit by two-digit multiplication. Break numbers into their component parts to understand the hidden structure that gives each value its meaning. Ideal for young mathematicians ages 7-10 developing core skills. Strong multiplication skills open the door to division, fractions, and proportional reasoning.
עֲבוּר 4 × 23, פָּרְקוּ אֶת 23: 4 × 20 = 80 וְ-4 × 3 = 12. אָז: 80 + 12 = 92!
כֶּפֶל חַד-סִפְרָתִי בְּדוּ-סִפְרָתִי מְשַׁמֵּשׁ אֶת חֹק הַפִּילוּג: a × (b+c) = a×b + a×c. הַיֶּלֶד מְפָרֵק אֶת הַגּוֹרֵם הַדּוּ-סִפְרָתִי לַעֲשָׂרוֹת וַאֲחָדוֹת וְכוֹפֵל כָּל חֵלֶק בְּנִפְרָד. זֶה מַקְדִים אֶת הַכֶּפֶל בִּכְתָב.