Math: algebra

5+3=8

Prepare in advance 16 red cubes.
Make two groups of red cubes. One group consists of 5 cubes and another consists of 3 cubes. The cubes of each group should be randomly scattered but not aligned or put in a row. These groups shall be placed away from each other so the baby to make them distinctive groups. The groups should not be too far so the baby will be able to see both groups in one location. The other 8 cubes hide behind you. Smile and say: Baby, let’s see which group is larger and which one is smaller. Let’s count cubes in each group. Place your hand above the first group on your left. Say: first let’s count the cubes in the group number one. Start counting by pointing your finger to each cube from left to right in the group number one. Say: 1,2,3,4 and 5. There are five cubes in this group (show five fingers). Place your hand above the second group on your right. Say: now let’s count the cubes in the group number two. Start counting by pointing your finger to each cube from left to right in the group number two. Say: 1,2,3 (show three fingers). Place your hand over the first group. Say: this group is larger (show larger by taking open hands away from each other). Larger. Place your hand over the second group. Say: this group is smaller (show smaller with two open hands brought together). Smaller. Let us add the first group to the second. Move the second group closer to the first and between the two groups put a “+” symbol, made of sticks or onion leaves. Put the “=” symbol after the second group. Say: let us see how much will be 5 (show 5 fingers) + 3 (show 3 fingers). Say: count with me. Point with your finger to each cube before the “=” symbol from left to right. Say: 1, 2, 3, 4, 5, 6, 7, 8. Eight (show eight fingers)! There are eight cubes. Put 8 red cubes you were hiding after the “=” symbol. Say: 5 (show five fingers) plus 3 (show three fingers) equals 8 (show eight fingers).

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