Divide by Multiples of 10

Solve 2,400 ÷ 20 from 240 ÷ 2.

Warm-up, learn, try it together, practice, then a quick check. About 15 minutes.

What children learn in Level 23

To divide by 10 or 20, use a fact you know. How many 20s are in 2,400?
Divide both numbers by 10. The sharing stays fair, so the answer doesn't change.
Half of 240 is 120, so 2,400 divided by 20 is 120.
Check by multiplying: 20 times 120 is 2,400. These friendly jumps will power everything else in this world.

Georgia's K-12 Mathematics Standards:

5.NR.2.2 — Fluently divide multi-digit whole numbers (up to 4-digit dividends and 2-digit divisors no greater than 25) to solve practical problems.