Yes, go to a "big box" home improvement store or even Radio Shack and purchase an
inexpensive digital multimeter. If you are serious about electronics you can "upgrade" to a more capable multimeter later. Expect to spend about twenty bux to get started.
BTW, those solder-less breadboards you show in your excellent photos are designed to accept component wires in the range of 22 to 24 AWG sizes. Shoving power resistor leads into them will damage the spring contacts inside and result in unreliable connections when you try to use those holes again with "normal size" component leads. Don't ask me how I know this.