Multiplication
Tricks
Multiply: 16 × 5
The trick to multiplying a number by 5 is to first divide by 2. Then, you multiply by 10. Got it?! So 16 cut in half is 8. Multiply that by 10 is 80.
TRICK #4: Multiplying Numbers by 5
Trick #5
Multiplying a number by ten is simple! It's just moving the decimal one place to the right.
8