Break numbers apart to understand the structure behind distributive multiplication. Break numbers into their component parts to understand the hidden structure that gives each value its meaning. Perfect for children ages 7-10 building their mathematical confidence. Strong multiplication skills open the door to division, fractions, and proportional reasoning.
בְּכֶפֶל גָּדוֹל, פָּרְקוּ מִסְפָּר אֶחָד וְחַשְּׁבוּ בְּחֲלָקִים! 23 × 4 = 20×4 + 3×4 = 80 + 12 = 92.
הַיִּשּׂוּם הַמָּלֵא שֶׁל חֹק הַפִּילוּג עִם מִסְפָּרִים דּוּ-סִפְרָתִיִּים מְכִין יְשִׁירוֹת לְכֶפֶל בִּכְתָב: a × (b+c) = a×b + a×c. פָּרְקוּ בְּשִׁיטָתִיּוּת: 23×4 = (20+3)×4 = 20×4 + 3×4 = 80+12 = 92. הִשְׁתַּמְּשׁוּ בְּמוֹדֵל הַשֶּׁטַח: מַלְבֵּן 23×4 מְפֹרָק לְ-20×4 וְ-3×4.