Facts, arrays and equal groups

Answer: 30

1. 3×(8+2)=3×8+3×2.
2. That is 24+6=30.

Answer: 2

1. Find the number that multiplies 4 to make 8.
2. 2×4=8, so 48​=2 groups.

Answer: 18

1. 6 equal rows of 3 means 6×3.
2. Use repeated addition or a known fact: 6×3=18.