MODELI
1. Observe the following pattern:
1×2
1
2
2×3
1 + 2
2
3 x 4
1 + 2 + 3 =
2

MODELI
1. Observe the following pattern:
1×2
1
2
2×3
1 + 2
2
3 x 4
1 + 2 + 3 =
2
4×5
1 + 2 + 3 + 4 =
2
Now, find the value of each of the following:
(1) 1 + 2 + 3 + … + 100
(it) 21 +22 +23 + … + 50​

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Aaliyah

2 thoughts on “MODELI<br />1. Observe the following pattern:<br />1×2<br />1<br />2<br />2×3<br />1 + 2<br />2<br />3 x 4<br />1 + 2 + 3 =<br />2”

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