Multiply 1-Digit x 3-Digit Multiples of 100 4-34
Multiply a 1-digit number and multiple of 100 by thinking in hundreds. What's 3 x 500? 500 is 5 hundreds, so 3 x 5 hundreds = 15 hundreds = 10 hundreds + 5 hundreds = 1,000+500 = 1,500. Think of "00" as hundreds. What's 4 x 600? 4 x 6 hundreds = 24 hundreds = 20 hundreds + 4 hundreds = 2,000 + 400 = 2,400.
