10 + 10 = 20 10 x 2 = 20 4 + 4 + 4 + 4 + 4 = 20 4 x 5 = 20 4 + 4 + 4 + 4 = 16 4 x 4 = 16 6 + 6 + 6 = 18 6 x 3 = 18 2 + 2 + 2 + 2 + 2 + 2 = 12 2 x 6 = 12 8 + 8 = 16 8 x 2 = 16 9 + 9 = 18 9 x 2 = 18 12 + 12 + 12 + 12 = 48 12 x 4 = 48 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 56 7 x 8 = 56 3 + 3 + 3 = 9 3 x 3 = 9
Answer Key 6 + 6 + 6 = 18 6 x 3 = 18 10 + 10 = 20 10 x 2 = 20 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 56 7 x 8 = 56 4 + 4 + 4 + 4 = 16 4 x 4 = 16 4 + 4 + 4 + 4 + 4 = 20 4 x 5 = 20 8 + 8 = 16 8 x 2 = 16 2 + 2 + 2 + 2 + 2 + 2 = 12 2 x 6 = 12 9 + 9 = 18 9 x 2 = 18 12 + 12 + 12 + 12 = 48 12 x 4 = 48 3 + 3 + 3 = 9 3 x 3 = 9