Complete the following equation:
_____ = 7 x 40
A) 740
B) 320
C) 280 (Correct Answer)
D) 110
Explanation:
To perform this multiplication, 40 can be viewed as 4 tens. 7 times 4 tens would be 28 tens, or 280.
Related Common Core State Standard: Number & Operations in Base Ten: 3.NBT.3