1 ② ___, 2, 3, 1, 4 ② ___, 5, 6, 7, 7 ② ___, 9, 8, 5 ② ___, 6, 7, 8, 2 ③ ___, 5, 3, 2, 1 ③ ___, 5, 4, 3, 6 ③ ___, 7, 9, 8, 8 ③ ___, 9, 10, 11, 3 ④___, 6, 10, 7, 10 ④___, 12, 13, 14, 9 ④___, 12, 13, 14, 8 ⑤ ___, 12, 13, 14, 12 ⑤ ___, 16, 18, 17, 15 ⑤ ___, 15, 19, 20, 20 ⑥ ___, 26, 27, 14, 6 ⑥ ___, 12, 11, 13, 5 ⑥ ___, 12, 11, 13, 18 ⑥ ___, 25, 23, 24, 30 ⑦ ___, 36, 47, 37, 12 ⑦ ___, 19, 16, 17.

Number patterns - Addition

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