Which one of the following shows 3 groups of 5?
- 5 + 5 + 5
- 5 x 2
- 2 + 2 + 2
- 5 + 5 + 5 + 5
2 groups of 5 = 2 x 5 = 15
Find the answer with 15 as the total.
(a) 5 + 5 + 5 = 2 groups of 5 = 15 (tick)
(b) 5 x 2 = 5 groups of 2 = 10 (x)
(c) 2 + 2 + 2 = 2 groups of 2 = 6 (x)
(d): 5 + 5 + 5 + 5 = 5 groups of 5 = 20 (x)
Answer(s): a