Math: algebra


Prepare in advance 24 cubes.
Put 12 cubes next to you and the other 12 hide behind you. Say today we will see how we can multiply things. Look, we have here 6 cubes (show six fingers). Count the cubes by pointing to them. Put the 6 cubes in a row in front of the baby. Say: I want to multiply these cubes by 2, it means I want to have 6 cubes put in two rows. Take another 6 cubes and put them right below the first ones. Point to the second row of cubes and count them: 1,2,3,4,5,6. Show 6 fingers. Say: now we have to count all of the cubes together. Pointing to the cubes, start counting from the upper left corner, left to right, up to down: 1,2,3,4,5,6,7,8,9,10,11,12. Twelve! (show 12 fingers, first show 10 and then 2). 6 multiplied by 2 equals 12! Now let’s make an equation. We will put 6 cubes on the left (put them), then we will put the sign for multiplication (put the sign “x” after six cubes). Now we will put two cubes after the multiplication sign. (put them). Now we will put the equation sign (put “=”). And after it we will place 12 cubes. Point to the fist 6 cubes and say: this is called factor. Point to the second two cubes and say: they are called factor too. Point to the 12 cubes and say: this is called product. Well done!

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